1、MILITARY SPECIFICATION ,- /-: CARTRIEGSS.=FOR CARTRIDGE ACTUATED/PROPELLANT ACTUATED DEVICES, * GENERAL DESIGN SPECIFICATION FOR This specification is mandatory for use by all Departments and Agencia; of the Department of Defense. 1. SCOPE 1.1 This specification covers the general requirements for d
2、esign and establishes- uniform methods for testing cartridges used for crew escape devices and other devices such as webbing cutters, cable cutters, guillotines, explosive bolts, and thrust reversers in aircraft systems. The purpose of the testing program is to determine performance, safety, soundne
3、ss of mechanical design, and resistance to environments encountered during storage, handling, and service be. new cartridge actuated,device (CAD) or propellant actuated device (PAD), the O/PAD tests performed in accordance with MIL-C-83124 which involve the cartridge may be applied as a partial comp
4、liance with the cartridge tests re- quired by this specification. . If a new cartridge has been developed concurrently with a 4. 2. APPLICABLB DOCUMENTS - % -c 2.1 The following docGents, of the issue in effect on date of invita- tion for bids or request for proposal, form a part of this specificati
5、on to the extent specified herein. SPECIFICATIONS Military MIL-C-5541 MIL-1-23659 MIL-C-83124 Chemical Films and Chemical Film Ma- Initiators, Electric, Design and Evalua- Cartridges Actuated I)evices/Propellant. . terials for Muminurn and Aluminum Alloys -, tion of Actuated Devices, General Design
6、Specification For t STANDARDS Military . MIL-STD- 14 3 MIL-STD-331 MIL- S Th 8 10 MS33586 Specifications and Standards, Order of Precedence gor tha Selection of Fuze and Fuze Cmponents, Environmental and Performance Tests for Environmental Test Methods Metals, Definition of Dissimilar Provided by IH
7、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i MIL-C-83125 13 9777906 0362866 2 R MIL-C- 83 12 5 PUBLICATION Department of the Army Pamphlet AMCP 706-110 /, Engineering Design Handbook Experimental Statistics, Section 1 (Copies of specifications, standards, dra
8、wings, and publications required by suppliers in connection with specific procurement functions should be ob- tained from the procuring activity or as directed by the contracting officer.) 3. REQUIREMENTS 3.1 Engineering desim tests This specification makes provisions for engineering design testing.
9、 3.2 Selection of specification and standards.- Specifications and standards for necessary commodities and services not specified herein shall be selected in accordance with MIL-STD-143. 3.3 Materials.- Materials for the cartridges shall be so selected as to be compatible with the propellant, explos
10、ive, delay composition, pyre . technics, and propellant gas and shall withstand environmental, electromagne- tic, functional, service, and storage conditions to which the cartridges will be exposed, course of manufacture shall in no case be construed as a guarantee of accep- tance of the finished ca
11、rtridges. included as wads, spacers, or closure discs. Acceptance or approval of materials for design or during the Pyrocellulose materials shall not be 3.3.1 Metals.-. Exposed metals shall be of the corrosion-resisting type or suitably treated to resist the corrosive effects of fuels, salt spray, o
12、r atmospheric conditions to which the cartridges may be subjected in storage or normal service. of the cognizant design agency for the specific application involved. The use of magnesium shall be subject to approval 3,3.1.1 Dissimilar metals.- Dissimilar metals shall not be used in intimate contact
13、with each other unless suitably protected against electro- lytic corrosion, Dissimilar metalsare defined in Ms33586. 3.3.1.2 Aluminum alloy parts.- Unless otherwise authorized, all aluminum-alloy parts shall be covered with a chemical film conforming to MIL-C-5541 3.3.2 Explosive, propellant, delay
14、composition, or pyrotechnic material.- Any explosive, propellant, delay composition, or pyrotechic material used in a cartridge-shall be approved by the cognizant design agency prior to use in a cartridge. 3.3.3 Plastic parts.- The use of plastlc parts shall be subject to the approval of tiit! cogni
15、zant design agency for the specific application involved. r 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-83125 13 779790b 03b2867 4 MIL-C-83125 3.3.4 Fungus-resistant materials.- Materials which are nutrients for fungi shall not be used un
16、less approved by the cognizant design agency. 3.4 Design and construction.- The cartridges shall be of the simplest and most efficient design consistent with the proposed use. Specific con- sideration shall be given to the factors of minimum size and weight while adhering to functional requirements,
17、 reliability, and safety of operation. All cartridges submitted .for or subjected to engineering design testing shall be identical in design and manufactured by the same process and shall be - from the same lot. 3.4.1 Performance reliability.- The cartridges must meet all per- formance requirements
18、at a reliability of not less than 99.9 percent at a confidence level of 90 percent over the temperature range of -65 to +200F. 3.4.2 Electric initiators/ignition elements.- Electric initiators/ ignition elements used in cartridges must have met the applicable requirements of MIL-1-23659. 3.4.3 Nonel
19、ectric ipnition system evaluation.- The cartridges shall be capable of passing the test of 4.5.5 prior to conducting any performance tes ts . 3.4.4 Service life.- The cartridges shall have a shelf life plus installed life of not less than 5 years from date of manufacture and an in- stalled life of n
20、ot less than 3 years. 3.4.5 Assembly.- The cartridges shall be as simple and safe to assem- The propellant, explosive, or pyrotechnic material shall be The use ble as possible. as tightly confined as practicable without hand stacking the charge. of spacers for this purpose shall be avoided. 3.4.6 Ca
21、rtridge cases.- Cartridge cases shall be as lightweight as practicabLle. The cases must be strong enough to withstand environmental and performance tests specified herein. For electrically initiated cartridges the cartridge case shall not be a part of the electrical circuit. 3.4,7 -Use of cartridges
22、 in additional devices.- When it is desired to use a previously approved cartridge in a new application, the adequacy 6f the cartridge design and performance shall be confirmed for the additional application by testing the cartridge concurrently with the cartridge actuated device during the engineer
23、ing design testing of the device. 3.5 Performance.- The cartridges shall satisfy all design requirements specified herein after subjection to the applicable environmental tests. parameters listed in 4.3.1 for the cartridge performance tests of Table I shall comply with the values and tolerances of t
24、he design requirements for the CAD/PAL). When the temperature requirements for a cartridge are outside the -65“ to +200F limits, the temperatures included in the desis require- ments shall apply in lieu of -65 to +200F. The 3 7 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
25、hout license from IHS-,-,-MIL-C-83125 13 777970b 0362868 6 I NIL-C-83125 3.5.1 Leakaae.- The cartridges shall pass a dry gas leak test. Cartridges which exhibit a leak rate in excess of 10 cc per second of air at a pressure differential of 15 0.1 atmosphere shall be considered defective. In addition
26、, those cartridges selected for the environmental tests of 4.5.6 shall be capable of passing a leak test at the conclusion of the environmental tests. The leak test shall be as specified in 4.5.4. 3.5-2 Environmenta1.conditions. 3.5.2,l Vibration,- The cartridges shall be capable of withstanding vib
27、ration conditions as specified in 4.5.7.1. vibration test, the cartridges shall meet the design performance requirements when test fired. After subjection to the 3.5.2.2 Shock.- The cartridges shall be capable of withstanding shock conditions as specified in 4.5.7.2. After subjection to the shock te
28、st, the cartridges shall meet the design performance requirements when test fired, 3.5.2.3 Six-foot drop.- The cartridges shall not fire when dropped from a height of 6 feet as specified in 4.5.7.3. to the drop test, the cartridges shall meet the design performance requirements when test fired. Afte
29、r being subjected 3.5.2.4 Forty-foot drop.- To ensure fail-safe capability, the cartridges shall not fire when dropped from a height of 40 feet as specified in 4.5.7.4 and snall be safe for handling and disposal. 3.5.2.5 Temperature-chock/humidity/altitude.- The cartridges shall be capable of withst
30、anding temperature-shock/humidity/altitude cycling conditions as specified in 4.5.7.5 and shall meet the design performance requirements when test fired. 3.5.2.6 High temperature.- The cartridges shall be capable of withstanding high temperatures of 200F as specified in 4.5.7.6 and shall meet the de
31、sign performance requirements when test fired. 3.5.2.7 .Low temperature., The cartridges shall be capable of with- standinn low temperatures of -65F as specified in 4.5.7.7 ancl shall meet tne design perf okmance requirements when test fired. 3-5.2.8 Salt fop,.- The cartridges shall be capable of wi
32、thstanding exposure to salt fog as specified in 4.5.7.8. fog test, the cartridges shall meet the design performance requirements when test fired. After subjection to tne salt 3.5.3 Cook-off temperature.- The maximum temperature (within 25F) sliall be cstihlisticd to wliicli A cartridp,e can be expos
33、er! for a period of L hour witlioitt cook-of f. Llie maximum temperature sliull bc determined hy tlie cook-off kat of 4.5.tj and shall bc not less than tlic value fii Lhe ciirtritlp,c ries Lw rcquiremcnts . 4 P Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
34、 IHS-,-,-MIL-C-83125 13 m 9797906 O362869 8 m MIL-C-83125 3.5.4 High temperature exposure (12 hours).- The maximum temperature (within 25OF) shall be established to which cartridges may be exposed for 12 hours and function within design performance requirements when fired after cooling to 7OoF, high
35、 temperature exposure test of 4.5.9. The maximum temperature shall be determined by the 3.6 Dimensions.- Unless otherwise specified, all dimensions shall apply after all manufacturing (machining, sizing, etc), process treatments, (plating, anodizing, heat treating, etc) and nondestructive testing ha
36、ve been completed. figuration, dimensions, and tolerances. No part of the assembly shall deviate from the drawing con- 3.7 Product marking.- Each cartridge shall be clearly and permanently identified with the cartridge designation, identifying number, lot number, loading date (month and year), and m
37、anufacturers identification symbol. other markings shall appear thereon except those specified herein. No 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspectio
38、n requirements as specified herein. specified in the contract or purchase order, the supplier may utilize 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 a
39、ny of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Except as otherwise 4.1.1 Materials.- Inspection and testing of component parts and assemblies shall be made to determine compliance wi
40、th 3.3. incompatibility, or inferior quality is evident, and the Government deems material analysis necessary, the contractor will be requested to submit sam- ples or specimens to the cognizant design agency for analysis and approval. Where defects, 4.2 Classification of tests The testing of cartrid
41、ges shall be classified as engineering design tests. 4.3 Test conditions. 4.3.1 Measurements and records.- All functional tests of cartridges shall be performed with the equipment mounted and loaded in a manner to simu- late service conditions as closely as possible. Performance parameters such as t
42、he following shall be recorded during functional tests: a, Pressure versus time for ballistic cycle time b. Velocity (at end of power stroke) ce Muzzle velocity d. Displacement of simulated load versus time 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
43、HS-,-,-MIL-C-3L25 13 9799906 0362870 LI -J 4- .I . MIL-C-83125 e. Thrust versus time for ballistic cycle time f . Acceleration versus time g. Resistive load versus time h. movement of load or start of pressure rise. i, operating cycle Time interval betweenactuating firing mechanism and beginning of
44、Time interval between actuating firing mechanism and completion of 4.3.2 instrumentation.- Any state-of-the-art-type instrumentation and recording equipment may be used, e.g., oscillograph, oscilloscope, or magnetic tape. Transducers may be any state-of-the-art-type, e.g., piezoelectric, strain gage
45、, variable reluctance, capacitive, or potentiometer. However, accuracy of all test apparatus shall conform to requiremnts of MIL-STD-810. Documented calibration records shall be maintained and be available for inspection by the cognizant design agency. 4.4 Engineering desim tests.- All engineering d
46、esign test samples shall have been subjected to inspection and examination of 4.5.1 and 4.5.2. The engineering design tests shall include all the tests listed in Tables I and II and shall be conducted on test samples as specified in the referenced tablesr Data recorded during functional tests shall
47、include that of 4.3.1. Indicated temperatures shall be within plus or minus 5OF. TABLE I. ENGINEERING PESIGN TESTS Test X-ray Leakage Nonelectric Ignition system evaluation *Shock 6-f t drop 40-f t drop *Vibration Performance at +70F Performance at -65F performance at +20O0F *Temp-shock/hmd/alt High
48、 temp (+200F) *Low temp (-65F) Salt fog Cook-of f High temp exposure Applicable Test Paragraph 4.5.3 4.5.4 4.5.5 4.5.7.2 4.5.7.3 4.5.7.4 4.5.7.1 4.5.6 4.5.6 4.5.6 4.5 . 7.5 4.5.7.6 4.5.7.7 4.5.7.8 4.5.8 4.5.9 Units Required *173* *173 12 9 6 6 9 20 30 30 9 12 9 12 6 3 *Expend to tests listed below.
49、*Test is part of sequence tests, Table 11. *Absoiute minimum number of units required with no allowance for con- tingencies. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE II. Sequence Tests for Cartridges MIL-C-83125 Test Shock Temp-shock / hmd / alt Low temp (-65F) Vibration Applicable Test Paragraph (4.5.7.2 (4.5.6 (4.5.7.5 (4.5.6 (4.5 . 7.7% (4.5.8 (4.5.7.1 (4.5.6
