1、*. I L I-. 5.37. 10 November 1970 SrnRSE9DG M1LITm.Y SPZCIFICATIOX INITIATOR, CAWRDGE ACTUATED, DELAY, IvU-4, ASSEMBLY 1. SCOPE 1.1 This specification covers Initiator, Cartridge Actuated, Delay, M3.4, Assembly, loaded wih Cartridge, Initiator, Delay, 84, for use in conjunction with other cartridge
2、actuated devices In aircrew emergency escape systems. 2. APPLICABLE DOCUMEDITS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: SIIECIFICATIONS Military MIL-A -2 5 5 O - Ammuni
3、tion and Special Weapons, General Specifications r“or STANDARDS Military MIL-STD-105 MIL-STD-109 MIL-STD-414 - Sampling Procedures and Tables for - #ality Assurance Terms netism.- The initiator shall not deflect the indicator of 3.6 firi-ctional. 3.6.1 Ballistics.- Initiators loaded with accepted ca
4、rtridges and temp- erature conditioned shzll produce pressure values specified in Table I. Pressure values snall -ae recorded at, the end of 3 feet of aircraft hose, Size No. 4, as specified. in $128741. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
5、,-,-5.6.1 (Contd) TABU I I ezp e ratu -re Pres sure. PSI -65O to -go% 160 to 1659 . 1300 to 2200 1500 to 2200 65O to 75 F i500 to 2200 ignition Delay (See 6.3) 4.2 Seconds, Max. 3.0 2 .3 Secocds 2.3 Seconds, Min. 3.6.2 The initiator sna1.l not fail to fire. . 3.3 3.7 The initiator shall fnction with
6、out mechanical failure (see 6.2). . Workmanship - Requirements for workmanship are as specified on the applrcable drawings , referenced. specificat ions and the following: 3.7.1 Metal defects - All components shall be free from cracks, splits, cold shuts, inclusions, porosity or other metal defects.
7、 3.7.2 Burr - The part shall not have a burr which might interfere with - the assembly or function of the item, or which might be injurious to personnel handling the item. 3.7.3 Foreign matter - The part or assembly shall not contain chips, dirt, grease, rust, corrosion or other foreign matter 4. QU
8、ALITY 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 inspection requirenients as specified herein. specified in the contract or order, the supplier may use his own or any ot
9、her 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 assure supplies and s
10、ervices confom to prescribed requirements. Except as otherwise 4.1.1 Quality assurance terns and definitions - Reference shall be made to MIL-STD-109 to define quality assurance terms used. 4.1.2 Inspection - Inspection shall be in accordance with MIL-A-2550. 4.2 Ins.r?ectior, provisions. Provided b
11、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L - - - - - MIL-I-L4859 13 7997906 0297658 9 9 . .-_ 7 y- 4.2.1.1 Submittal of product.- The contractor shall submit the poduct in accordance with MIL-STB-105. 4.2.1.2 size. of lot. - A lot shall consist of an id
12、entifiable grouF or assembled initiators containing metal parts assemblies produced by a hoEo- geneous process and loade6 with acceptable cartridges. 4.2.2 Examination. - One hundred percent examination shall be performed Examination for major and minor defects shall be for all critical defects. per
13、formed on a defect basis in accordance with the classification of defects contained herein, using the sampling plan and associated criteria in Table II. The total number of allowable defects per class for either the major or minor classification shall not exceed the acceptance number of Table II. Al
14、l non- . conforming material shall be rejected. used in performing visual examination for such defects as burr and foreign Four power (4X) magnification may be matter. Lot Size Sample Size 1- 300 io D10520085, D8597928, B10520496, Cl0520414 and 8359536. CRITICAL 1. Firing pin not cocked 2. Any part
15、missing 3. Improper assembly MAJOR 101. 102. Burr 103. Foreign matter . Safety pin loose or deformed Manual/Vi s ual Visual Visual Visual Visual Visual MINOR None defined 4.2.2.4 Assembly, Dwg. F10520861, less all Dwgs except D8597928, Cl0520414 and D10520085. CRITICAL 1. Cartridge not properly seat
16、ed Visual 2. Filter missing or insecure Visual 3. Nylon patch missing or improperly applied Visual 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.2.2.4 (Contd) Defect Xi JOR Ol. Burr 102. Foreign matter MINOR None defined Method of Inspection Vi
17、sual V.isua1 4.2.2.5 Assembly, Dwg. 1.0520861. CRITICAL 1. Cartridge face not seated against base of firing pin housing X-ray IJ 2. Any part missing X-ray 3. Improper assembly X-ray 1/ 4. Marking missing, incorrect or illegible Visual LMJOR 101. 102. Burr 103. Foreign matter Set screw missing or ins
18、ecure Visual Visual Visual MINOR 201. Thread sealing compound missing from set screws Visual 202. Shipping plug missing . Visual 203. Protective finish inadequate or defective . Visual The cartridge shall be x-rayed with the long axis of the cartridge perpendicular to the rays of the x-ray machine.
19、properly identified, shall be forwarded to the procuring activity. The x-ray negatives, 4.2.2.6 Container, Ammunition, Fiber M459 for Initiator, Delay, Cart- ridge Actuated, Dwg . C8846785. CRITI CAL - . - . None defined Provided by IHSNot for ResaleNo reproduction or networking permitted without li
20、cense from IHS-,-,-4.2.2.6 (Contd) Defect Method .of Inspection MAJOR . None defi= d MINOR . 201. 202, 203. 204; 205. 206. 207. 208. Gap between body and cover, max. . Contents loose Metal ends loose or distorted Cut or damaged through all impregnated layers Marking missing, incorrect or illegible T
21、ape incomplete or badly wrinkled Length of tear tab, min. Color of tape incorrect Manual M-nual Manual . Visual Visual Visual Visual . JTisual 4.2.2.7 Box, Packing, Ammunition for Initiator, Delay, Cartridge Actuated in Fiber Container M459, Dwg. C8846786. CRITICAL None defined MAJR None defined MIN
22、OR 201. 202. 203. 204. 205. 206. 207 208. Contents loose Hardware missing, loose, broken or improperly as sembled Strapping missing, loose, broken or improperly assembled Contents of box exposed Box damaged Marking missuig, incorrect or illegible Number of units incorrect Car seal missing, unsealed
23、or improperly positioned : 7 Manual my *ia cartridge, containing a temperature sensitive element, shall be placed in the conditioning chamber at the same time as the samples. ditioning time shall be a minimum or“ one hour longer than the time necessary to bring the element contained in the dummy car
24、tridge to the required tempera- The con- ture + 9 i - . - i- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5. PXEPLWION FOR DELIVERY 5.1 Packing and marking - Packing and marking shall be in accordance with Drawings CU846785 and C8846786. 6. Noms 6
25、.1 Ordering data - Procurement documents should specify the title, num- ber and date of this specification. 6.2 A mechanical Tailure is defined as any deformation or breakage of a part, the occurrence o? which is not a design function, firing of the pressure element and the beginking of the continuo
26、us pressure rise on the pressure time record. 6.3 Ignition delay is defined as the time that elapses between the 6.4 Supersession data - This specification includes the requirement of . Purchase Description FA-PD-MI-2495 dated 7 April 1961. Custodian: Amy - MU Preparing activity: Aw- MIT Project No. 1377-A312 , I . . . 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
