1、1.1 This ssecification covers the loading, assembling and packing for one type or“ cartridge designated as Cartricge, 152“4, Canister, XN625E2. 2. APPLICABLE DOCU1;IENTS 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 spec
2、ification to the extent specified herein. SPKCIFICATIONS MILITARY MIL-P-223 MIL-A-2 550 - Powder, Black - Amnunition and Special Weapons, General - Inspection Equipment, Supply and Specification for Maintenance of MIL-1-11 5607 MIL-1-50867 -_ - Ignition Klenent, Electric, Loading Assembling and Pack
3、aging _I STANDARDS MILITARY MI L-STD- 1 O 5 Sampling Procedures and Tables for Inspection by Attributes (ABC-STD-105), Quality Assurance Terms and Definitions Propellants, SoiicLa Sampling, Examination and Testing : .I .I MIL-STD-109 MIL-STD-286 MIL-STD-414 Sampling PGocetures and Tables for Inspect
4、ion by Variables for Percent Defe ct ive MIL-STD-1168 NIL-STD-1235 Lot Nunbering of rhunition Single anci tlultilevel Continuous Sampling Procedures and Tables for Sarnpling by Attributes THIS DOCUMENT CONTAINS , PAGES. a - A- - Provided by IHSNot for ResaleNo reproduction or networking permitted wi
5、thout license from IHS-,-,-MIL-C-50712 13 W 7777906 0332418 L MIL-C-50912 (MU) DRAWINGS ARMY 9212218 - Igniter Assembly 9224909 - Box, Packing, Ammunition, for Cartridge, 152MM, Canister , XM625E2 9221407 - Container, Ammunition, Fiber, M580 for Cartridge, 152m1, Canister, 6252 9252590 - Cartridge,
6、152MM, Canister, XM625ES 9260121 - Cartridge Assembly for 152trIM with Bag, Barrier, Elastomeric 9249028 - Ignition Element , Electric PUBLICATIONS ARMY ET-9252590 - Equipment Tabulation (Copies of specifications, standards, drawings and publications required by suppliers in connection wlth specific
7、 procurement functions should be obtained from the procuring activity or as directed by the contracting officer). 3. REQUIREMENTS 3.1 General.-Material and parts shall be in accordance with applicable drawings and specifications. 3.2 Cartridge.-The cartridge shall comply with all requirements specif
8、ied on drawing (wg.) 9252590 and with all require- ments specified in applicable specifications. Moisture content of black powder in igniter assemblies.- The moisture content of black powder loaded into igniter bags (at the time of loading) shall not exceed 0.70 percent, when determined in accordanc
9、e with MIL-P-223. Pre-use inspection of cartridge case components.-The gap between the cartridge case boy outside diameter and the cartridge case base inside diameter shall not exceed 0.010 inch for a depth of 0.0625 inch maximum (max) when inspected in accordance wlth 4.3.1. 3.3 3.4 2 Provided by I
10、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. *. i 3.5 Q;z$tiori elenent circuit continuity.-The resistance of the ignition element after insertion into the cai-tridge base shall not be greater than 1.0 ohm when teste in accordance with 4.3.2, . 3.6 Assembly
11、torque.-The threae joint shall be tightene to the assembly torque specified on the applicable drawing while thread sealing compound is wet (see 4.3.3 and 6.5). 3.7 Moisture content of cartridge case.-At the time of assembly of elastomeric barrier bag to the cartridge, the average moisture content of
12、 the case body and case base shall not exceed 1.5 percent and no individual reading shall exceed 2.0 percent when tested in accordance with 4.2.3.5. 3.8 Drying time.-After assembly of cartridge cilse base to bay in accordance with the drying time specified on the drawing. : cartridge case body, the
13、cartridge shall be cured in the conditioning 3.9 Workmanship 3.9.1 All parts shall be free of cracks and burrs; and chips, dirt, grease, rust, or other foreign material. The cleaning method shall not be injurious to any of the parts, nor shall the parts be contaminated by the cleaning agents. 3.9.2
14、The painting and marking shall be restored by the assembling contractor on any components furnished to him painted and marked, when such paintings have been marred or obliterated. (Bare spots in painting, other than marking, to total not more than 1/4 square inch in aggregate, are allowable.) 3-10 P
15、roving ground.-The cartridge shall comply with the 3.10.1 fol.low$.ng requirements when tested as specified in 4.3.6. -,. alter leaving the gun and prior to reaching a distance of 7.6 . meters from t;he gun muzzle. Functioning.-The cartridge shall function satisfactorily .: . . 3.10.2 Security.-Ther
16、e shall be no evidence of metal parts separation prior to leaving the gun tube as evidenced by damage to the gun tube. satisfactorily without excessive or smoldering residue (see 4.3.6.2). 3-10.3 Residue.-The cartridge case components shall function 3.10.4 Pressure. -No individual pressure obtained
17、when fired at 70F shall be greater than 39,300 pounds per square inch (psi) or less khan 33,000 psi, i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.1 Sesacnsi!)ilitr for ir,s?ection. - L - 201. Contents loose .,.iarual 203. Gap between body anci
18、 cover in 204. Earkin: inisleacling or 205. Evloencc of Door worknanship 202. Tear ta3 length inaequate, . .Visual #; 5. excess of i/8 inch . Visuai US.y.5 unidenfriable ,.,.,Visual g8n:y (see 3.3) Visa 00QOl0, 4.2.2.3 Sealed wooden packirir box (sec dwg. 92243O?). Categories Defects Xethoc! of Code
19、 KO. Inspection Critical: None defined. Maj or : 100 percent insnection 101. Barrier bag improperly sealed, torn, or missing prior to placing r.ound in box. Visual 102, Contents loose (prior to sealing)Manuai 09COl 09002 Ma j.or : AQL 0.65 percent 103. Hardware or strapping missins, broken or loose,
20、 or improperly located .Visual- . Nan ua 1 104. Box damaged exposfnp contentsVisual 105. DOD code marking missing, incorrect or unidentifiable,.Visual Minor: AQL 0.65 percent 201. Car seal missing, unsealed or ir?properly positioned Visua 09005 O9006 4.2.3 Testing 4.2.3.1 Check test for deterioratio
21、n of ignition elements (dwg, 9249028) (see 3.5), Major defect, Code YO. 10001.-If the total elapsed tine between oriEina1 acceptance of an assembled ignition element lot and asseRbly of that lot into the ammunition components with which it is to be issued exceeds two (2) years or if the ignition ele
22、ments have been subjected to adverse conditions at any tine since previous tests, or if more tham six (6) months have elapsed since a previous check test, the ignition element lots shall be subjected to, and must satisfactorily pass, the check test for deterioration specified in MIL-1-50867, wior to
23、 use (see 6.4). 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-50712 $3 7977906 0332q27 2 =- - 4IL-c-5og12 (Mu) 4.2.3.2 Moisture content of black pondel- (see 3.31, Xajor derect , Code fio. 10002. -Tne contracuor shall provicle adequate co
24、ntrol:; to assure :he conpliance o? each lot with the applicable requircrnent. Por verificacion, and just priai- to the start of each eight hours loaciing; production, tlic contractor sliall test one sanple of black powtier selected fi*or,i that quantity, 01- sub-lot; of powder which is to be iisetl
25、 ln the eight-hour loadinc produc*,ion of ignition elenent base subasser?t)iy. Conposite sanples shall not be Usea. Testing shall be in accordance with PIIL-P-223 and if the noisture content of the sample exceeds the requirement, and loaifig has not begun, the sub-lot of powder represented by the sm
26、ple shall be rejected. If powder from a sub-lot with excessive moisture has Been used in loading, the remaining unloaded powder and all assemblies containing the non-conforming powder shall be rejected. 4.2.3.3 Pre-use inspection of cartricige case cmponents.- Major defect, Code No. 10003.-Por this
27、inspection a iilotii shall be defined as that quantity of cartridge case bodies and bases which are scheduled for use in eight hours of loading. Prior to use of each riloti, fifteen bodies and bases from the “loti1 shall be inspected in accordance with 4.3.1. Failure of any sample shall require flar
28、ing of the failing sarnple(s) and reinspection. If reinspection indicates conpliance with the applicable requirement (see 3.4), the remainder of the iilotil shall be flared prior to use. If reinspection still indicates rejection, the lot shall not be used in loading. defect, Code No. i0004 (100 peic
29、ent inspection),-Each ignition element base subassembly shall be tested for continuity in accordance with 4.3.2 using equipment in accordance with 4.2.4. subassembly failing to comply with the requii-enents shall be rejected an removed from the lot. 4.2.3.4 Ignition element circuit continuity (see 3
30、.5), Major Any 4.2,3.5 Moisture content of cartridge case (see 3.6) - Major defect - Code No. 1000Tj.-The first cartridge loaded during canister assembly (use no adhesive, no ignition element and no igniter assembly) and. propelling chai-ge. The test cartridge (representing the subsequent four hours
31、 of production) shall be include on the first skid of production cartridges placed in the conditioning bay. One hour prlior to completion of final . drying of the first skid of production cartridges, the test cartridge case-canister assembly shall be subjected to a moisture - test in accordance with
32、 MIL-SFD-286B, Method 101.4. The samples require foi- the test shall be prepared as follows: Two 0.025 gram (gn) (approximate) samples shall be sectioned from-the case body at random locations and two 0.025.g (approxirnate) samples shall be sectioned froR the case buse. Y!ie tenperature control shal
33、l be set at 100 degrees Centip-atie wich a tiner setting of 15 minutes, identified until successful perfornnnce during the moisture content each four hours of production shall be a test cartridge case- -. . . Cartridges repmsented by the samples shall remain Provided by IHSNot for ResaleNo reproduct
34、ion or networking permitted without license from IHS-,-,-. , -.= . =- . - MIL-C-50712 13 9999906 0332428 4 a -509 12 (NU) tczt i: indicated. I? the SK:)VS fail to cozi?ly w,tl: t: ax:cz.;c- reauirnent , t?.e foul hours of nrocuction cartricTes rt?r-T3sectL-t: y the failinz sacpies shall rec-air. in
35、the conditi.onl.r b2.v EO:- an acditionai 4 hours i 1/2 how. Cme hou? pri.or to comnletion of the a8ii:tior.al cur5ns time a nroduction cartridce sha:l. 5e rrido;r.fy selected am? cu3jecteG to testintl: as specified above. Faiirr of these sam?;es to comply 5th Che anplicable recuiyerczt shalL reject
36、 the *our hours of nr*oduction cartridges vlhch the samples represert. 4.2.3.6 Gryintr tine - Major detect, Code :Io. lOF;06.-100 percent inspect:on.-Zach sk5d of ssezbled CartTidpes shall be visually inspecte it, accordance wtth 4.3.4 for ciryir.,.: tine in the conditioninr bay. I! any skld docuxen
37、t indicates tiye 2n the conditioning bay lower than the minimum total requirement, the skid of cartridges renresented by the document shall be placed back in the conditioning bay until comy?lfazce with the apylicable require- ment (see 3.8) is indicated. If any skid document indicttes ttme iii the c
38、onditiontnc bay exceecirr the maximum tctal requlyenent (see 3.8), the skid of cartridges renresented by the document shall be rejected (see 6.9). - 4.2.3.7 Pull test of cartridce case base (see dwr,. 9252500). 4.2.3.7-1 Production - I.la,fo;i defect, Code Mo. 10q7.-This test shall be conducted on a
39、 100 percent basis. Any cartridm which fails to comply with the anplicable reauiremnt shall be removed from the lot. Testing shall be as specified. in 4.3.5. aestruction (for information only).-Inert pull test cartriges (three total) shc?.ll be loaded at random ?ritervals with production cartriiges
40、in a lot. cartridps shal be assembled wjth only the cartridge case bo:!, mOUntinf? ring, lockin$- ring (no tirea sealant) aRc! cartrtdye cane base using. adhesive and shall be conspicuously identifie:;. final drying:, he tiiruc pull test caz-tridpcn dial: be sui.,lectefi to n pi:ll test. to dpstraac
41、tj.oE rir ?.;I+ c,Q.rtr?-dCe cmrj bF.se. 8s to icrce reci!:f*ec! ta czust? acnn.Tation shall be fon!mrr;cC to Picatinny Arsenal S?CPA-ND2, Profil:? and al5grsxr:t (see dw:. 92525cir) - i;ia:or defect Coe Ilo. 103!?l? .-The ca=.t:-lZ,-c shall be ,cp.Ted 1B? ncice:t foi ppof+e an! aiqnir.ent ar,e the
42、r?frir-.urn aiiomk-e “arce far extracting the romd fz-?om the chr,rr!:ei shall be applied. P.nj? cartri3Se vhich fails to CORL;! xiVh the aylj cable requrement shall be classt?5 defective anci re:oved fron the lot. The test shall be perzornec? usj,n- equirc:ent in accordafice with I;. 2.4, 4.2.3.7.2
43、 ;lhe three inert puli test .l,f“sel? ?.es111$ 4.2.3.8 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.2.3.9 Proving ground.-?hc following tests shall be perforrnru as specified ia 4.3.8. (See 6.12 for Test Sunna;oy) 4.2.3.9.1 Functioning (see 3
44、.10.1) - Najor defect - Code No. 10009. 4.2.3.9.1.1 Yeginning with the fil-nt lot produced ana continuing until three consecutive lots have conplied wlth the applicable requirezents specified, 50 cartridges shall be selected from each lot for this test. If two or mope cartridges fail to neet the app
45、licable requirenents, the lot shall be rejected . 4.2.3.3.1.2 After three consecutive lots have complied with tie criteria of 4.2.3.9.1.1, 30 cartridges shall be selected from each lot for this test. If two or more cartriciges fail to meet the applicable requirenents, the lot shall be re j ect e . N
46、o. 10010,-All rounds fired in this ballistic test shall be observed for confornance to security requirerients. If any round fails to conply with the applicable requirer.ients, the lot shall be rejected. 4.2.3.9.2 Security (see 2.2) - CriGical defect - Coae 4.2.3.9.3 Residue 4.2.3.3.3.1 Beginning wit
47、h the first lot produced and con- tinuing until three consecutive lots have conplied with the applicable requirenents, fifty (50) sample cartridges fire during the proving ground acceptance tests, shall be observed for excessive residue (Major defect, Code No. 10011) and snoldering residue (Special
48、defect, see 6.13, Code IJo. 10012). The lot shall be rejected for any smoldering residue or evidence of two or more rounds exhibiting excessive residue (nee 6.11). of 4.2.3.9.3.1, thirty (30) sample cartridges fired during the proving ground acceptance tests, shall be obsemed for excessive and smold
49、ering residue, The lot sim11 be rejected for any smoldering residue or evidence of two or nore rounas exhibiting excessive residue (see G,ll). Upon rejection of any one lot for presence of residue, tightened inspection in accordance with 4.2.3.9.3.1 as well as 4,2.3.9.1.1 shall be instituted until three consecutive lots have again complied w
