ARMY MIL-G-51478 B-1987 GRENADE LAUNCHER SMOKE SCREENING RP UK L8A3《RP UK L8A3筛选 发烟手榴弹发射器》.pdf

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1、1. SCOPE MIL-G-SLLI78B 13 7777706 01182255 LI M 21 December i987 SUPERSEDING MIL-G-51478A(EA) 4 September 1987 MILITARY SPECIFICATION GRENADE, LAUNCHER, SMOKE: SCREENING, RP, UK, L8A3 This specification is approved for use within the Chemical Research, Development and Engineering Center, Department

2、of the Army and is available for use by all Departments and Agencies of the Department of Defense. 1.1 Scope. This specification covers one type of grenade. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Standards. The following standards form a part of this specification to the extent spec

3、ified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the soli citation. STANDARDS MIL I TARY MIL-STD-105 - Sampling Procedures and Tables

4、 for Inspection by MIL-STD-1168 - Lot Numbering of Ammunition MIL-STD-1234 - Pyrotechnics: Sampling, Inspection and Testing Attributes : Beneficial comments (recommendations, additions, deletions) and any perti- : : nent data which may be of use in improving this document should be addressed: : to:

5、Commander, U.S. Army Chemical Research, Development and Engineering : : Center, ATTN: SMCCR-SPT-S, Aberdeen Proving Ground, MD 21010-5423 by using: : the self-addressed Standardization Document Improvement Proposal (DD Form : : 1426) appearing at the end of this document or by letter. AMSC N/A FSC 1

6、330 DISTRIBUTION STATEMENT A. Approved or public release; distribution is unlimited. THIS DOCUMENT CONTAINS 5 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.2 Drawings. The following drawings form a part of this specification to the exten

7、t specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWING AND TECHNICAL DATA PACKAGE LIST (TDPL) U.S. ARMY CHEMICAL RESEARCH, DEVELOPMENT AND ENGINEERING CENTER TDPL 13-19-100 - Grenade, Launcher, Smoke: Screening, RP, UK L8A3 (Copie

8、s of standards and drawings required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Order of precedence. In the event of a conflict between the text of this specification and the ref

9、erences 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 regulations unless a specific exemption has been obtained. 3. RE

10、QUIREMENTS 3.1 Materials and comDonents. 3.1.1 Materials. All materials cited on TDPL 13-19-100 or on the subsidiary drawings shall conform to the specification listed thereon or to the specific characteristics set forth on the drawings. 3.1.2 Components. All components of the grenade shall conform

11、to the speci- fications and drawings listed on TDPL 13-19-100 and on subsidiary drawings. -3.2 Assembly. The grenade shall be assembled as shown on Drawing 13-19-100. 3.2.1 Subassemblies. 3.2.1.1 Delay assembly. All components of the delay assembly and cylinder shall be assembled as shown on Drawing

12、 13-19-102 (see 6.5). 3.2.1.2 Cylinder assembly, All components of the cylinder assembly shall be assembled as shown on Drawing 13-19-101, The cylinder assembly shall have an outer clip to inner clip resistance of 0.9 to 1.6 ohms when tested in accord- ance with 4.4.4.1. 3,2.1.3 Moisture and volatil

13、es. When tested as specified in 4.4.4.4, the moisture and volatiles content of the red phosphorus butyl rubber shall be no greater than 0.15 percent by weight and that of the black powder shall be no greater than 0.70 percent by weight when loaded into the grenade. 2 Provided by IHSNot for ResaleNo

14、reproduction or networking permitted without license from IHS-,-,-MIL-G-5LLI7B 13 m 7797706 0382257 m 3.2.1.4 Red phosphorus butyl rubber characteristics. The red phosphorus butyl rubber shall conform to drawing requirements when tested as specified in 4.4.4.5. 3.3 Immersion. The grenade shall not h

15、ave evidence of leakage after water immersion and shall conform to the requirements of 3.4 when tested in accord- ance with 4.4.4.2. 3.4 Functioning. The grenade shall function as follows when tested in accordance with 4.4.4.2 and 4.4.4.3. (a). The electric fuze shall function igniting the propellan

16、t charge and the delay composition. The gas from the burning.propellant shall displace or rupture the diaphragm and launch the grenade from the discharger. During the flight of the grenade, the delay composition shall burn through and ignite the burster charge. The grenade shall burst 30 + 8 meters

17、from the discharger at a height of 6 meters to 12 meters. - (b) When the grenade bursts, the burst shall break the red phosphorus/ butyl rubber pellet into pieces approximately the size of the original granules and ignite these granular pieces. The burst shall then rupture the rubber body and scatte

18、r the burning pieces. shall remain in the grenades rubber body. The granules shall not scatter more than 75 meters from the discharger. The burning, falling granules shall reinforce the smoke cloud by continuing to burn for no more than 6 minutes No more than 25 grams of unignited granules (c) The t

19、ime from grenade-launch to good obscuration, as a result of the grenades smoke, shall be no more than 6 seconds. good obscuration for not less than 60 seconds as assessed by an experienced observer . The smoke shall provide 3.5 Preproduction. Prior to the start of regular production, a preproduc- ti

20、on lot of grenades shall be produced, examined and tested in accordance with this specification (see 4.3). 3.6 Workmanship. The grenade shall be free from smoke mix contamination, foreign matter and damage such as dents, cracks or deformation which could impair its intended use. 4. QUALITY ASSURANCE

21、 PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the con- tract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use

22、 his own or any other facilities suitable for the performance of the inspection requirements speci- fied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to ass

23、ure supplies and services conform to prescribed requirements. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-51478B(EA) , 4.1.1- Responsibilityecompliance. All items must meet all requirements of sections 3 and 5. become a part of the contra

24、ctors 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 the Government for acceptance comply with all require- ments of the contra

25、ct. mission of known defective material, either indicated or actual, nor does it - commit the Government to acceptance of defective material. The inspection set forth in this specification shall Sampling in quality conformance does not authorize sub- 4.1.2 Objective evidence. The contractor shall pr

26、ovide objective evidence acceptable to the contracting oficer that the requirements of 3.1 and section 5 for which specific inspection has not been provided in this specification have been satisfied. 4.2 Classification of inspections. The inspection requirements specified herein are classified as fo

27、llows: (a) Preproduction inspection (see 4.3). (b) Quality conformance inspection (see 4.4). 4.3 Preproduction inspection. 4.3.1 - Lot. A preproduction lot of 600 grenades or production from one shift, whichever is greater, shall be produced.using the same methods, materiais, equipment and processes

28、 as will be used during regular production. 4.3.2 Sampling. 4.3.2.1 For examination and nondestructive test. Sampling shall be .con-. ducted in accordance with MIL-STD-105, level III. 4.3.22 For destructive tests. Sampling shall be conducted,.in accordance with MIL-STD-105, level S-4. 4.3.2;3 For bl

29、ack powder and red phosphorus butyl rubber tests. Each batch of red phosphorus butyl rubber and black powder used in the preproduction lot of grenades shall be sampled. 4.3.3 Inspection procedure. 4.3.3.1 For examination and nondestructive test. Sample grenades shall be examined in accordance with t

30、he classification of defects and MIL-STD-105. 4.3.3.2 For destructive tests. Sample grenades shall be tested in accord- ance with table I. 4.3.3.3 For black powder and red phosphorus butyl rubber tests. The black powder sample shall be tested as specified in 4.4.4.4. butyl rubber sample shall be tes

31、ted as specified in 4.4.4.4 and 4,4.4.5. The red phosphorus 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-5Lq78B L3 = 7777706 0382257 L = Failure to pass tests shall be cause for rejection of the batch of material represented. TABLE I. Dest

32、ructive tests :. Test : Requirement . Method : Accept : Reject : Grenade launch 3.4 : 4.4.4.3 : 1: 2: : Grenade burst 3.4 : 4.4.4.3 : 1: 2: : Grenade burst distance : 3.4(a) : 4.4.4.3 : 1: 2: : 22 to 38 meters : Grenade burst height : 3.4(a) : 4.4.4.3 : 1: 2: : Grenade burst height : 3.4(a) : 4.4.4.

33、3 : 1: 2: : Unignited red phosphorus : 3.4(b) : 4.4.4.3 : 2: 3: * . . : less than 6 meters : more than 12 meters : in grenade body : 25 grams maximum : Red phosphorus particle : 3.4(b) : 4.4.4.3 : 2: 3: : range : 75 meters maximum : Red phosphorus burn time : 3.4(b) : 4.4.4.3 : 2: 3: : 6 minutes max

34、imum : Time from launch to good : 3.4(c) : 4.4.4.3 : 1: 2: : 6 seconds maximum : : Duration of good : 3.4(c) : 4.4.4.3 : : 2: : obscuration . : 60 seconds minimum NOTE: Select samples in accordance with MIL-STD-105, level S-4, AQL 1.5 percent defective. : obscuration 4.3.4 Rejection criteria. If any

35、 assembly, component, or test specimen fails to comply with any of the applicable requirements, the preproduction lot shall berejected. upon any failure of any assembly, component or test specimen to comply with any of the requirements. The Government reserves the right to terminate inspection 5 Pro

36、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-5 1478B (EA) 4.4 ualitv conformance inmection. 4.4.1 Lotting. A lot of grenades shall be identified and controlled in accordance with MIL-STD-1168, produced by one manufacturer in no more than five c

37、onsecutive work shifts not to exceed 2 weeks consecutive duration from the same materials and under essentially the same manufacturing conditions. ever, no more than one lot interfix number of metal, rubber, or plastic parts, no more than one lot of fuzes or black powder, and no more than two lots o

38、f smoke mix ingredients from one manufacturer shall be represented in any one lot of assembled grenades. How- The minimum lot size shall be 1,201 grenades. 4.4.2 Sampling. 4.4.2.1 For examination. Sampling shall be conducted in accordance with MIL-STD-105. 4.4.2.2 For destructive test. Sampling shal

39、l be conducted in accordance with MIL-STD-105, level S-4. 4.4.2.3 For black powder test. A sample shall be selected from the black powder used for each days production. 4.4.2.4 For red phosphorus butyl rubber tests. butyl rubber from each days production or one batch from each ten batches pro- duced

40、, whichever comes first, shall be sampled. A nonconforming batch shall cause each batch produced since the last batch that was sampled to be sampled and tested. One batch of red phosphorus 4.4.3 Inspection procedure. 4.4.3.1 For examination. Sample grenades and the packing thereof shall be examined

41、in accordance with the classification of defects and with MIL-STD-105. 4.4.3.2 For destructive test. Sample grenades shall be tested in accordance with table I. 4.4.3.3 For black powder test. The black powder sample shall be tested as If moisture and volatiles exceed requirements, dry and specified

42、in 4.4.4.4, retest prior to use. 4.4.3.4 For red phosphorus butyl rubber tests. The red phosphorus butyl rub- ber sample shall be tested as specified in 4.4.4.4 and 4.4.4.5. and volatiles exceed requirements, dry and retest prior to use. Failure to con- form to any other drawing requirements shall b

43、e cause for rejection of the batch represented, If moisture e- 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-5147B 13 a 7779906 0382263 T a 4.4.3.5 Classification of defects. (a) Grenade, launcher, smoke: screening, RP, UK L8A3 (Drawing 13-

44、19-100). Categories Defects Acceptance standards Cri tical : None defined Major: AQL 1.0 percent defective 101 Component missing or incorrectly 102 Marking missing or incorrect 103 Diaphragm incorrect 104 Cylinder assembly resistance 105 Workmanship (3.6) 106 Clip damaged assembled incorrect 40-4.4.

45、2 (b) Packaging (section 5). Categories Defects Critical : None defined Major: AQL 2.5 percent defective 101 Unit container closure incorrect 102 Marking missing, incorrect or illegible 103 Shipping container closure incorrect 104 Shipping container loosely packed 105 Strapping missing or loose 4.4.

46、4 Tests. 4.4.4.1 Cylinder assembly. The electrical resistance of the contact assem- bly shall be measured using an ohmmeter with a maximum short circuit current-of less than 10 milliamperes (ma). enough to contain any accidental combustion products, should ignition occur. Proper safety precautions s

47、hall be incorporated to protect personnel during all phases of this test. Care shall be taken to avoid damaging or bending the elec- trical contact spring clips. Tests shall be conducted in a chamber strong 4.4.4.2 Immersion. The grenade shall be heated for a minimum period of 8 hours at a temperatu

48、re of 45“ + 5C and immersed in 0.9 meter minimum of water at 18“ + 5C for a minimum perTod of 2 hours. removal-from water, the grenade shall be functioned. Within 1 hour subsequent to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ MIL-G-SLY78B 13

49、= 4774706 0182262 1 4.4.4.3 Functioning. The grenade shall be functioned from a function Tester, Grenade Ignition and Propulsion, 4226, Drawing 136-33-1, or from an Army discharger, Drawing 13-12-34, 13-12-35, or 13-12-90, or from a similar device designed by the contractor and approved by the Government. (a) The muzzle of the launcher-shall be 2 to 2.3 meters above (b) The terrain shall be-soft, dry, level and fire