1、b I ii I INCH- POUND MIL-C-71155 (AR) O1 November 1993 MIL,I TARY SPEC IF I CATION CARTRIDGE, IGNITION, M987 IiOADING, ASSEMBLING AND PACKING 11-lis specification is approved for use by the U.S. Army Armanit.nt, Munitions and Chernjcal Command, and is available for use hl a13 Depart-nient s and Agen
2、cies of the Department of Defense. 1. SCOPE 1 . I _ Scope _- Thi E, specification covers requirements and quality assurarice provisions for the loading, assembling and packing for the Cart r jdge, Ignj tjon M987 for use on the Cartridge, 82MM; Practice, Short Range, M766. 2. 1 Governnic-rit document
3、-s. 2.1.1 Specific*ations, standards and handbooks. The following -_- - - - _-_- - _- - - - _-_I_- spccif ications, st-ariciards and handbooks form a part. of this document t.0 i he extent spcci f i PLI herein. Unless otherwise specified, the issi:cs of t-hese dcxurnerit s shall be those listed in t
4、he j-ssue of the Depdrtnient of Defense Index of Specificat.ions and St andards (DODISS) and supplement therclto, cited in the solicitation. (See 6.2). SPElC I F 1 CAT I ONS MILITARY MIL-A-48078 - Ammunition, Standard Qualj ty Assurance Provisions, General Specifjcatjon For Bcncficial comments (reco
5、mmendations, additions, delctions) and any pertinent data which may be of use in improving this document, should be addressed to: Commander, U.S. Army ARDEC, A“: SMCAR-BAC-S, Picatinny Arsenal, NJ 07806-5000 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the e
6、nd of this document or by letter. AMSC N/A FSC 1315 D JsTmTION STATEMENT distribution s unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3 MIL-C-7LL55 M 9999906 L9bL3 025 M MIL-C-71155 (AR) STANDARDS MILITARY MIL-STD-1 O9 - Quality Assuranc
7、e Terms and Definitions MIL-STD-286 - Propellants, Solid: Sampling, MIL-STD-414 - Sampling Procedures and Tables for Examination and Test.ing Inspect-ions by Variables for Percent Defective (Unless otherwise indicat-ed, copies of federal and Mili t.ary specifi.cat.ions, standards and handbooks are a
8、vailable from the Standardizat-ion Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1 .2 Other Government. documents, drawings and publications. The following other Government- documents, drawings, and publications form a part of this document to the extent- spe
9、cified herein. Unless otherwise specified, the issues shall be t-hose in effect- of the date of the soli ci tat i on. _I-_ DRAWINGS (See 6.5) U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) 12953580 - Cartridge, Ignition, M987 INSPECTION EQUIPMENT DRAWINGS 9278622 - Envelope
10、Drawing for Leak Tes Cartridges (Copi es of other Government- documents, drawinqs and ing of Igniion publications required by manufacturers in connect.ion wi t-h specific acquisi t.ion functions should be obtained from the contracting activity or as directed by the contracting activity or as directe
11、d by the contracting officer). CODE OF FEiDERAL REGULATIONS 49 CFR - interstate Commerce Commission Rules and Regulations for the Transportation of Explosives and other Dangerous Articles (Application for copies should be addressed to the Superintendent of Documents, Government- Printing Office, Was
12、hington, D.C. 20402. Orders for the above publication should cite 49 CFR (latest revision) ) . 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-7ll55 99999Ob l9bl84 Tbl W M IL-C- 7 1.3.5 5 ( AR) 2.2 Order of precedence. In the event of a confl
13、ict between the text of this document and the references cit-ed herein, the text of this document- takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a speci-fic exemption has been obtained. (See contract provisions for additional precedence criter
14、ia). 3. REQU I REMENTS 3.3 Materials. Materials shall be in accordance with the applicable drawings and specifications. 3.2 Assembly. The i-gnition cartridge assembly shall comply with all requirements specified on drawing 12953580 and associat-ed drawings and with all requirements specified in appl
15、icable specifications and standards. 3.3 Total volatiles content of bullseye powder. The total volatiles content of the bullseye powder used in loading the ignit-ion cartridge at the time of loading, shall not- exceed 2.0 percent. Testing shall be as specified 4.5.1 . 3.4 Sensi.tivitv. 3.4.3 Nonfunc
16、tioning, The primer shall not- function under an applj-ed energy level of 8.85 inch ounces (min) when tested as specified in 4.5.2.1. 3.4.2 - Functioning. The primer shall function under an applied energy level of 82.6 inch ounces (max.) when tested as specified in 4.5-2.2. 3.4.3 Safety _I_- drop te
17、st-. The primer shall not- function as a result. of t.he 5 foot cartridge drop as specified in 4.5.2.3 3.5 - Leak test The loaded cartridges shall satisfactorily pass the leak test. specified in 4.5-3. 3.6 - Velccity, funct-ioning and security (proving ground test). The ignition cartridges shall com
18、ply wit.h the following requirement-s (See 4.5.5). 3.6.1 - Misfjres. The i.gnit.ion cartridges shall function on the first- attempt., wit.hout any audible hangfire. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71155 999990b 1969185 9T8 MIL
19、-C-71.155 (AR) 3.6.2 Metal parts - security. There shall be no evidence of rupture or meta1 parts separation att L ibutable to ignition cartridge funct ioriing. - 3.6.3 - Velocity and funct.ioni.ng (proving ground). The cartridge assemblies shall funct-ion and shall impart- a charge 3 muzzle velocit
20、y of 75-00 + 2.00 mps at +70 + 3 degrees F. In addition, the velocity standard deviation of the lot. shall be not. great.er than 4 fps. 3.7 - Propellant charge est-ablishment - asterisks (*) indicate one hundred percent- inspection. If sample size exceeds size, perform one hundred percent inspection
21、. Accept on zero and reject- on one or more for all inspect-ion levels. - 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71155 M 999990b bb9192 038 W MIL-C-71.155 (AH) b. Alternative quality conformance provisions. Unless otherwise specifie
22、d herein or provided for in the contract, alternative quality conformance procedures, methods or equipment, such as statistical process control, tool control, variables sampling or other types of sampling plans, etc., may be used by the contractor when they provide, as a minimum, the level of qualit
23、y assurance required by the provisions herein. Prior to applying such alternative procedures, methods or equipment, the contractor shall describe them in a written proposal submitted to the Government for evaluation (see 6.7). When required, the contractor shall demonstrate that. the effectiveness o
24、f each proposed alternative is equal to or better than the specified quality conformance provision(s) herein. in case of dispute as to whether the contractors proposed alternative(s) provides equivalent assurance, the provisions of this specification shall apply. All approved alternative provisions
25、shall be specifically incorporated into the cont-ract-ors quality program or inspection system, as applicable. 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-rl k rl Li w u) r I n1-C-71155 b LbL93 T74 rl hl O -=r w6Jw-r rl m mmmm m h HHH- HHH- m
26、HHHa ? Y C O -4 c, u c 7 3ca,E ma ma-4 k fii w I- s Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71155 (AR) 4.4.3 Testing. See 4.5 4.4.3.3 Weight of propellant. 4.4.3.1.1. Before loading. (See dwg. 12953580) The propellant charge shall be we
27、ighed. Weight limits for weighing should be established within the applicable requirements, depending upon the accuracy and precision of the weighing system to assure compliance with the charge weight requirements. Any charge of bulk propellant failing to meet. the applicable requirements shall be c
28、lassed defective and removed from the lot. (See dwg for tolerance requirement). 4.4.3.3 .2 After loading. 315 sample cartridge assemblies shall be randomly selected from each lot for this test. If four or more samples exceed the assessed max weight by 3 or less grains or if any sample exceeds the as
29、sessed max weight by more than 3 grains, the lot. shall be rejected. if four or more samples are under the assessed minimum weight by 3 grains or less or if any sample is under the assessed minimum weight by more than 3 grains, the lot shall be rejected. In addition, if the total number of defective
30、 samples are five or more, the lot shall be rejected. Testing shall be as specified in 4.5.4. 4.4.3.1.3 Automated method. The contractor may elect- to perform this operat ion with automated equipment- and mandatory process controls. In such cases, process corit-rol plans must be submitted to the Tec
31、hnical Agency for approval of the automated operation. - 4.4.3.2 Sensitivity. 4.4.3.2.1 Nonfunctioning. Beginning with the first article and first lot produced and continuing until three consecutive lots have complied with the acceptance criteria specj f ied, 200 primer housing assemblies shall be r
32、andomly selected from each lot for this test If one or more assemblies fail to comply with the specified requirement, the lot shall be rejected. The test- shall be performed as specified in 4.5.2.1. 4.4.3.2.1 .I Nonfunctioninq. After three consecutive lots have met the criteria of 4.4.3.2.3, the sam
33、pling plan for this test. shall be in accordance with Level IV. If a lot. is rejected, revert. to sampling plan per 4.4.3.2.1. The test shall be performed as specified in 4.5.2.1. i6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-7llII55 = 999
34、990b II9bl198 55b MIL-C-73.155 (AR) 4.4.3.2.2 First- article and initial production functioning t-est . Beginning with the fTTst article and first lot. produced and corit inuinq unti 1 three consecutive lots have complied with the accept ance cri ter ia cpeci fi ed, 200 primer housing assembli es sh
35、all be randomly selected from each lot for this test. If 4 or more priniers fail to comply with the specified requirement-, the lot- shall lie reject-ed. If 1 but less than 4 defect.ives are found a second sample of 200 prinicr housing assemblies shall be tested. If the c-onibirled number of defecti
36、ves in both t-he first- and second sample is 4 or niore, the lot shall be rejected. Any assemblies in the 1 ar-dcmly selected saniple missing a component or wit-h an incorrectly assernhled comporierit which will result in an end item misfire shall be considered defect ive and shall be included in th
37、e rejection rriieria. The t.cst. shall be performed as specified in 4.5.2.2. - - 4.4.3.2.2.3 &s$pnt- producti-on funct-i.oni.nq test. After thret-. consecut.ive 1c1t s have met- the crit.eri.a of 4.4.3 . 2.2, the samplirig plan for this test shall be per Level III and shall be rar:domly selected fro
38、nt each lot. for this test. If 1 or more. primers fll t.o comply with the specified requkement, the lot: shall be iciject.ed. Any assemblies in the randomly selected sample missing a coniporient or wi t.h art i nc-orrect-1y assembled component which wi 11 r si.11 t in ari erid it em mi sf i re shall
39、 be considered defect-i.ve and chal1 be i.ncluded in t.he reject.ion criteria. If a lot. is rejected, r cvcr t. to sanipl ing plitri per 4.4.3.2.2. The t-est. shall be performed as specified in 4.5.2.2. 4.4.3.2.3 Safety drop test Twenty-f i.ve igni t.ion cartridge assernbljes consisting of t.he shot
40、. gun shell with primer (assembled without. t.he bulls eye powder in accordance with dwg 12953575) shall be selected for this test-. If one or more of t-he test samples furict.ion when t-ested as specified in 4.5.2.3, tihe primer loti shall be rejected. This test- shall be performed only upon i.nit.
41、ial use of each primer lot- or each primed shot.gun shell lot 4.4.3.3 Velocit.1, functioning and securiQ -_lll_ 4.4.3.3.3 First article testing and init-ia1 production. -_I_- -_- Beginning with the first. article and first. lot- produced and cont.inui.ng unti 1 three consecut.ive lots have complied
42、wi t-h the applicable requirements specified, the sampling plan and procedure for this t.est. shall be in accordance with MIL-STD-414, Section B, Table B-3, Code letter M and a maximum percent- defect-ive of 1 .37. The upper and lower specification limits shall be 73.00 and 77.00 meters per second (
43、mps) , respectively. In addi tion, i.f the veloci t.y standard deviat.ion of the sample exceeds the lot. requirement, the lot- shall be reject-ed. If any round fails to funct.ion for reasons at.t.ribut.able to ignit.ion cartridge fai lure or if a metal part-s separation occurs, t.he lot. shall be re
44、ject.ed. This t-est. shall be performed as specified in 4.5.5. 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-71155 99999Ob Lb199 492 MIL-C-71155 (AR) 4.4.3.3.2 Production lot test.%. Aft-er three consecutive lots have met. the criteria of
45、4.4.3.37, the sampling plan for this t-est shall be in accordance with MIL-STD-414, Section B, Table B-3, Code Letter K, using a maximum percent. defective of 1.23. The upper and lower specification limits shall be 75.00 + 2.00 mps In addition, if the velocity standard deviation of the Sample exceed
46、s the applicable lot- requirement, the lot. shall be referred. If any round fai 1s to funct.ion for reasons attributable to ignition cartridge failure or if a met-al parts separation occurs, the lot. shall be rejected. If a lot is rejected revert to sampling plan per 4.4.3.3.1.A. This test- shall be
47、 performed as specified in 4.5.5. 4.4.3.4 Check test for _I_- deterioration of primer. If the total elapsed time bet-week-original acceptance of t-he primer lot. and the assembly of that. lot. into t-he ignition cartridge exceeds two years, or if the primers have been subjected t-o adverse condition
48、s for any period of time since previous test, the primer lot- shall be subjected t.0 and must. sat-isfact-ori ly pass the sensi tivi ty, safety drop, arid velocity tests in the first article immediately before the primer lot. is assembled into t-he ignition cartridges. 4.4.3.5 Static pressure. The p
49、ropellant lot- shall be tested as specified in 4.5.7. Twent-y-f ive iqni ti on cartridges shall be loaded at the assessed charge weight with propellant randomly selected from the propellant. lot If the average ignition cartridge pressure exceeds t-he specified requirement-, the representative lot- of bullseye propella
