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    ARMY MIL-C-70690-1988 CARTRIDGE FUZELESS 25MM HIGH EXPLOSIVE INCENDARY TRACER (HEI-T) M792《M792(HEI-T)型高爆炸性手榴弹示踪剂25MM无导火管炮弹》.pdf

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    ARMY MIL-C-70690-1988 CARTRIDGE FUZELESS 25MM HIGH EXPLOSIVE INCENDARY TRACER (HEI-T) M792《M792(HEI-T)型高爆炸性手榴弹示踪剂25MM无导火管炮弹》.pdf

    1、3 - * - I MIL-C-70b70 13 = 777770b 035b7bb I a s - 37-85- - - MIL-C-70690 (AR) 16 September 1988 MILITARY SPECIFICATION CARTRIDGE, FUZELESS, 25MM, HIGH EXPLOSIVE INCENDIARY TRACER, (HEI-T) , M792 This specification is a9proved for use within the US Army Armament, Munitions and Chemical Command, and

    2、is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification aovers requirements and quality assurance provisions for one type of percussion primed cartridge, Fuzeless, 25mm, High Explosive Incendiary Tracer, M792 or use in 25mm guns (see

    3、6.1). 2. APPLICABLE DOCUMENTS 2,l Government documents 2.1.1 Specifications and standards. The following - specifications and standards form a parc of this specification to the extent specified herein. Unless otherwise specified, the issue of these documents shall be those listed in the issue of the

    4、 Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS MILITARY MIL-A- 25 50 Ammunition, General Specification for MIL-A- 48 07 8 Ammunition, Standard Quality Assurance Provisions, General Specification for STANDARDS MI

    5、LITARY MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-109 Quality Assurance Terms and Definitions e . THIS DOCUMENT CONTAINS 2 PAGES. Bmefcial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this dcwment should

    6、 be addrmd to: Commander, U.S. Army Armament, Munitions, and Chemical Command, Attn. AMSMG-QA, Picatinny Arsenal, New Jersey 07806-5000 by using the self-addled Standardization Document Improvement Proposai (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 1305 DISTRIBU

    7、TION STAT EMENT 4, Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-* NIL-C-70bO 13 777770b 035b767 3 m MIL-C-70690 (AR) MIL-STD-644 Visual Inspection Standards and Inspection MIL-STD- 651 Visual

    8、- Inspection Stanards for 20mm MIL-STD-1168 Lot Numbering of Ammunition MIL-STD-1167 Ammunition Data Card Procedures for Inspection of Packaging, Packing and Marking of Small Arms Ammunition Ammunition and Components 2.1.2 Other Government documents, - drawings and publications. The following other

    9、Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS US ARMY ARMAMENT RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER (ARDEC) 9391400

    10、Interface Control Drawing, Maximum Profile and Alignment, Cartridge M792, M793, and HPT Incendiary Tracer, M792 (80 Rds) 12597642 . Cartridge, Fuzeless, 25mm, High Explosive 12013674 Shipping Container-Unlinked 25mm Ammunition AS12013566 -25mm Ammunition Ballistic Test Methods AS12013734 Ammunition,

    11、 25mm, Packaging, Packing and Mark ing (Copies of specifications, standards, handbooks, drawings, publications, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting

    12、activity.) the text of this specification and the references cited herein, (except for associated detail specifications, specification sheets or MS standards) the text of this specification, shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulation

    13、s unless specfic exemption has been obtained. 2.2 Order of precedence. - In the event of a conflict between 3. REQUIREMENTS 3.1 -_- General. The fuzeless cartridge shall be in accordance with Drawing 12597642, referenced specifications, publications and other requirements specified herein. applicabl

    14、e drawings and specifications. a. Material. Materials shall be in accordance with 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70690 13 m 9999906 0356768 5 E MIL-C-70690 (AR) I l T I b. Manufacturing process. A11 parts and assemblies shall

    15、 be manufactured by a process approved by the contracting officer, and no deviation from that process shall be made without prior approval of the contracting officer (see 6.7). all requirements specified on Drawing 12597642, all associated drawings, and with all requirements specified in applicable

    16、specifications. O 3.1.1 Cartridge. The fuzeless cartridge shall comply with 3.2 Projectile extraction. The tensile force necessary to extract the projectile from the sample cartridge case shall be as specified by Drawing 12597642 (see 4.4.1). 3.3 Projectile torque. The sample projectile shall withst

    17、and a minimum of 30 in-lbs torque without rotational movement (see 4.4.3). 3.4 Velocity. The average muzzle velocity of the sample cartridges, conditioned shall be 1100 + 20 meters per second (mps). The sample standard deviation chal1 not exceed 5 mps (see 4.4.4). 3.5 Pressure. The average peak cham

    18、ber pressure of the sample cartridges, conditioned at 21 + 3OC, shall not exceed 402 megapascals (MPa). The average peak chamber pressure of the cartridges, when functioning at any individual temperature .from -46OC to 62OC, plus five standard deviations of peak chamber pressure, shall not exceed 49

    19、6 MPa and no individual sample cartridge shall exceed 496 MPa. Pressure shall be measured with a piezoelectric type pressure transducer (see 4.4.4). 3.6 Dispersion. The standard deviation of impacts in both the horizontal and vertical directions of the sample fuzed projectiles shall not exceed 0.50

    20、milliradians when the cartridges are conditioned at 21 + 3OC (see 4.4.5). For this test, the test barrel will be fitted and fired with a muzzle brake. 3.7 Action time. The action time of the sample cartridges shall not exceed 6.0 ms at any cartridge temperature from -46OC to 62OC (see 4.4.6). 3.8 Pr

    21、ojectile trace. The sample projectile shall exhibit a visible trace when viewed against a dark background, for a minimum of 3.5 seconds from the gun muzzle flash at any cartridge temperature form -46OC to 62OC (see 4.4.7). 3.9 Projectile function. See 4.4.8. 3.9.1 Projectile impact function. The sam

    22、ple fuzed projectiles shall function upon impact or up to one meter behind a target of 0.063 inch nominal thickness aluminum plate 2024-T3 at Oo obliquity, at a distance of 200 - + 5 meters from the weapon at any temperature from -46OC to 620. 3 Provided by IHSNot for ResaleNo reproduction or networ

    23、king permitted without license from IHS-,-,-MIL-C-70670 13 m 9779706 0356769 7 m MIL-C-70690 (AR) . O 3.9.2 Projectile -_1_-1 self-destruct function. The sample fuzed projectile shall function between 6.2 seconds minimum and prior to impact at any cartridge temperature from -46OC to 62OC. 3.10 Funct

    24、ion and casualty. The sample cartridges, at 21 - + 10% shall function without firing defects and casualties (see 4.4.9). 3.11 Workmanship. All parts and assemblies shall be fabricatedTloaded, and assembled in a thorough workmanship manner. They shall be free of burrs, sharp edges, cracks, scratches,

    25、 dents, folds, wrinkles, buckles, dirt, grease, oil, rust, and other foreign matter. The cleaning method used shall not be injurious to any parts, nor shall the parts be contaminated by the cleaning agents. Exterior surface coatings shall be continuous; however, light scratches not exposing base mat

    26、erial may be permitted. All required marking and stamping shall be neat and clearly defined. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection as specified herein. Except

    27、as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the spec

    28、ification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Quality assurance terms and definitions shal.1 be in accordance with MIL-STD-109 and the provisions of MIL-A-2550 and MIL-A-48078 apply. requirements of sections-3 and 5. The ins

    29、pection set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to t

    30、he Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1.1 - Responsibl-ity for complian

    31、ce. All items must meet all 4.2 Classification of inspections. The inspection requiremnts specified herein are classified as follows: a. Quality conformance inspection (see 4.3) b. Lot acceptance testing 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-

    32、,-,-MIL-C-70670 13 W 7777706 035b770 3 MI L-c- 7 O 6 9 O (AR) t 4.3 Quality conformance inspection. 4.3.1 Component parts. Unless otherwise specified, component parts shall be homogeneous and of a quantity convenient to the contractor, except that each cartridge lot shall contain: a. Cartridge cases

    33、 from one unchanged process, from one lot interfix number, and one manufacturer. b. Projectiles from one unchanged process, from one lot interfix number, and from one manufacturer. C. Primers from one lot, from one lot interfix number, and one manufacturer. d. Propellant from one lot and one manufac

    34、turer. e. Explosive fill from one lot and one manufacturer. f. Hybrid lots are not permitted. Each fuzeless carrier lot will be assembled from a single case, projectile, primer, and propellant lot. 4.3.1.2. Assembled cartridge lot. Each lot of ammunition shall be identified as to type, caliber, and

    35、model, as well as a lot number in accordance with MIL-STD-1168, supplemented as directed by the procuring activity. Each packed lot of ammunition shall further be identified by a national stock number assigned by the procuring activity. 4.3.2 Examination for defects. See MIL-A-48078. MIL-STD-651 sha

    36、ll apply in defining and evaluating cartridge visual defects as applicable. a. Critical defects. Unless otherwise specified, one hundred percent examination shall be performed for, all critical defects. If a visual critical defect is found in a sample either just prior to a firing test or after a fi

    37、ring test (and the defect is not due to the firing) , the lot shall be rejected. The lot shall then be rescreened and resubmitted for visual inspection of critical defects. If a critical defect is found during packing, the portion of the lot remaining to be packed shall be rejected. The lot shall th

    38、en be rescreened and resubmitted for visual inspection of critical defects. b. Major and minor defects. Inspections shall be performed on an individual basis in accordance with classification of defects using applicable sampling plans and acceptance criteria of MIL-STD-105. All nonconforming cartrid

    39、ges shall be rejected. The following AQLs are assigned to major and minor defects: 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70690 13 m 9777906 035b771 5 W MIL-C-70690 (AR) Individual basis Major . 0.25% Minor . 0.40% 6 Provided by IHSN

    40、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70670 13 U 7777906 0356772 7 I I I L E i I - al d. .d U u al an O i + 3 rl d. m e 8 4J c m .rl .I4 8 : ? u .rl u z2r .FI VI rn 4 E 8 a al u LI al 3 e H u 3 .rl u a a c 1 o a 9.A The presence of foreign matter in

    41、the propellant of any of the test cartridges will cause rejection of the lot (see 3.11). 4/ Projectile torque. Failure of one or more of the sample cartridges to comply with the specified torque requirement shall cause rejection of the lot. requlrements, the lot shall be rejected. 2/ Projectile extr

    42、action. Failure of one or more sample 5/ Velocity. If the sample fails to comply with the - 6/ Pressure. a. +20oC: If the sample fails to comply with the b. -460 and +62OC: If the average peak chamber requirement, the lot shall be rejected. pressure of a 45 cartridge sample plus two standard deviati

    43、ons exceeds 496 MPa, or it an individual sample cartridge exceeds 496 MPa, the lot shall be rejected. 7/ Dispersion. Six (6) fuzed, ten round groups shall be fired for dispersion. No discards will be allowed. The six groups shall be tested for homogeneity. Should this test show that all groups are h

    44、omogeneous, then the groups may be pooled. If the dispersion of the pooled sample cartridges exceeds the applicable requirement, the lot shall be rejected. Should the test for homogeneity show that any one group is not homogeneous, the lot shall be rejected. requrrements for action time, the lot sha

    45、ll be rejected. 8/ Action time. If any sample cartridge fails to meet the 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-C-70b0 13 W 0b 035b780 b I J MIL-C-70690 (AR) 9/ Projectile trace. The fuzed cartridges used for self=destruct shall be u

    46、sed for the projectile trace test. cartridges must meet the minimum requirement for trace, If more than two but less than seven cartridges of the sample fails to comply, a second sample of 81 cartridges shall be tested. The lot shall be rejected if seven or more cartridges of the combined sample fai

    47、l to comply with the applicable requirement. The O 10/ Projectile function. - - a. Impact function. The fuzed cartridges must meet the minimum requirement for impact. If more than one but less than four cartridges of the sample fails to comply, a second sample of 57 cartridges shall be tested. The l

    48、ot shall be rejected if four or more cartridges of the combined sample fail to comply with the applicable requirement. b. Self-destruct. The fuzed cartridges must meet the minimum requirement for s.elf-destruct. If more than one but less than six cartridges of the sample fail to comply, a second sam

    49、ple of 81 cartridges shall be tested. The lot shall be rejected if seven or more cartridges of the combined sample fail to comply with the applicable requirement. il/ Function and casualty. The lot shall be rejected if any malfunction or firing casualty of Table II occurs in number(s) equal to or greater than the applicable reject number. Except as otherwise provided, if malfunctions or casualties occur in excess of


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