1、MIL-C-48884 (PA) i5 July i976 MILITARY SPECIFICATION CASE, CARTRIDGE, M205E1, 152m, PARTS FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1, SCOPE.-This specification covers the component parts of the nonmetallic cartridge case designated as C
2、ase, Cartridge Assembly 152MM, M205E1 (see 6.5) . 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids, or request for proposals, form a part of this specification lx the extent specified herein. SPECIFICATIONS MILITARY MIL-A-48078 - Ammunition, S
3、tandard, Quality Assurance Provisions, General Specification For MIL-C-50534 - Case, Cartridge, M205, 152MM, Parts For FEDERAL PPP-B- 26 DRAWINGS ARMY I 9275739 9289037 8889489 9242503 8799112 - Case, Cartridge, Assembly, l52MM, M205E1 - Cartridge, 152MM, TP-T, M411A3E1 - Box Fiber, for Body for Cas
4、e, Cartridge, H157, :)(205 or WOSEI - Box, Fiber, for Base, for Cartridge Case, H157, a05 or M205EI - Marking Diagram and Sealing of Ammunition Fiberboard Containers THIS DBCUMENT CONTAINS ./. PAGES. FI FSC: 1320 f Provided by IHSNot for ResaleNo reproduction or networking permitted without license
5、from IHS-,-,-MIL-C-48884 13 m 999970b 0325398 O m 1. MIL-C-48884 (PA) CODE OF FEDERAL REGULATIONS Title 49, Transportation: Parts 100-199 The Code of Federal Regulations is available from the Super- intendent of Documents, Government Printing Office, Washington, D.C., 20402. Orders for the above pub
6、lication shoul cite: 49 CFR iOO-igg (latest revision). 3. REQUIREMENTS 3.1 Materials.-The constituent materials shall comply with the requirements of all applicable drawings and specifications. 3.2 Parts.-The cartridge case parts shall comply with all the requirements specified in Drawing 9275739 an
7、d with all the requirements specified in MIL-C-50534. 3.3 Process Data.-The following process data shall be re- corded and furnished to the Government in accordance with data item description DI-P-1604 as specified in the contract (see 6.4). 3.3.1 Solution composition for each batch of polyvinyl 3.3
8、.2 Temperature, viscosity and flowrate of PVA and Saran alcohol (PVA), Saran and silicone/fungicide used. solutions each hour of operation. 3.3.3 Atomization pressure, line speed and spindle speed 3.3.4 For each sprayhead used, record manufacturer and each hour of operation and whenever a change is
9、made. model number, vertical height from base of spindle, horizontal distance from center of spindle and angle to horizontal. 3.3.5 For each solution applied, record spray time, dry time, dry temperature and humidity each hour, cure time (as applicable) and cure temperature each hour (as applicable)
10、. 3.3.6 Silicone/fungicide solution temperature, viscosity, diptime, dry time and-dry temperature. 3.3.7 Coating weight for each coating and impregnating solution (see 4 . 4.2.3). 3.3.8 Coating Uniformity (see 4.4.2.7). I 3.4 Case Part Weight.-The M205E1 cartridge case parts shall comply with the re
11、quirements of Table I when tested in accordance with 4.4.2.4. $ 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48884 (PA) TABLE I CASE PART WEIGHT It em Weight Tolerance Body 302.3 gms Base 76.4 gms 3.5. Workmanship.-All parts shall be fabri
12、cated in a thorough, workmanlike manner, Each case part shall be visually examined after each coating operation, Any evidence of cracks, pores, discontinuities, runs, sags, blisters, pinholes, foreign material or damage to any part shall be reported. shall be examined that inside lip area of base an
13、d outside scalloped area of body are adequately protected from contact with coating. Any evidence of insufficient protection shall be reported. part of a l52m Cartridge, shall function satisfactorily without smoldering residue, and without more than one occurrence of excessive residue (see 6.2) when
14、 tested in accordance with 4.4.2.5. + 12.0 gms + 4.0 gms - - Each part after each coating application to verify 3.6 Proving Ground,-The cartridge case, when assembled as 3.7 Moisture-Vapor Transmission.-The moisture pickup of the case assembly shall be less than 1.5% when tested in accordance with 4
15、.4.2.6. 4 . QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection and Standard Quality Assurance Provtsions.-Unless otherwise specified herein or in the contract, the provisions of MIL-A-48078 shall apply and are hereby made a part of this detail specification. 4.2 Classification of Inspect
16、ions.-The following types of inspection shall be conducted on this item: a. First Article Inspection b, Quality Conformance Inspection 4.3 First Article Inspection 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-C-48884 (PA) 4.3.1 Submission.
17、-The contractor shall submit a first article sample as designated by the Contracting Officer for evaluation in accordance with provisions of 4.3.2, The first article sample shall consist of the following items in sample quantities as indicated. Part Description Drawings Case, Cartridge Assembly 1521
18、4, 2051 9275739 Quantity 120 4.3.2 Inspections to be Performed.-The First Article Darts submitted in accordance with paragraph 4.3.1 will be * subjected by the Government to any or all the requirements of the applicable drawings and to the inspections of Table II. Major unless otherwise specified. A
19、ll inspections listed in Table II shall be classified 4-3.3 Rejection.-See MIL-A-48078 (PA). 4.4 Quality Conformance Inspection 4.4-1 Inspection Lot Formation.-Inspection lots shall comply with the lot formation provisions of MIL-A-48078. 4.4.2 Examination.-See MIL-A-48078. Unless otherwise specifie
20、d in the Classification of Defects and Test tables, sampling plans ror major and minor defects shall be in accordance with MIL-STD-105, Inspection Level II. I 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48884 13 M 7777706 0325201 7 I 2 O
21、H h u w Pi VI w h VI p: H Fr I H H 3 i3 a =In- “CU *=r=r =J-=t=r *I * e k O 3 8 5 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5 U F . - C C C I rl cd 4 2 3 In M w. O O rl I 6 Provided by IHSNot for ResaleNo reproduction or networking permitted
22、without license from IHS-,-,-I rl t5 rl N 1, 1; =I- : I ln M lR O O i- 7 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LlBBBLl 13 U 4999906 0325204 2 i! I MIGC-48884 (PA) I 4.4.2.3 -Thirty (30) case bodies and 30 case b r to processing and
23、tested fo with 4.5.3. These parts shall be coat Five bodies and bases in the beginning of production and one body and base periodically until the end of production (the periods shall be evenly spaced based on production quantity). In addition, whenever any change is made in the ve (5) bodies or base
24、s (as applicabl fied for information. 4.4.2.4 .-Thirty (30) case bodies and 30 case bases shall be randomly selected from the lot. Each part shall be weighed to the nearest 0.1 gram, the applicable requirement, all remaining parts .In the lot shall be weighed, Only acceptable parts may be retained i
25、n the lot, .4.4.2,5 Proving Ground (see 3.6).-Forty (40) case bodies and 40 case bases shall be randomly selected from the lot and tested ballistically for smoldering and excessive residue at 70F in accordance with 4.5.4. be cause to reject the lot. bodies and 10 case bases shall be randomly selecte
26、d from the lot and tested in accordance with 4.5.3.- requirement, the lot shall be rejected. 4 . 4 . 2 7 Coating Uniformity ( see 3 . 3 . 8) . -Five bodies and five bases shall be randomly selected Prom the lot and examined for information in accordance. with 4 .5 . 2. 4.5 Test Methods. a Procedures
27、 4.5.lCoating Weight.-Each body and base shall be weighed to the nearest 0.1 gram before and.after each coating and each impregnating operation. Samples shall be dried to constant weight at 122OF for eac determination. Calculatfs, the weight increase of each spray coati and impregnating solution-by
28、subtracting the weight before coating from the weight after coating. All data . shall be tabulated and identified by part number t8 enable correlation of process data with subsequent laboratory test data. All parts shall be retained for laboratory testing as designated in 4.5.2 and 4.5e3. If any par
29、t fails Failure to comply with 3.6 shall 4.4.2.6 MQiStUPe Vapor Transmission (see 3,7).-Ten (10) case If any part fails the . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-qq 13 7777706 0325205 Lt I I MIL-C-48884 (PA) 4.5.2 Coating Uniformity
30、.-Four specimens, 1 inch by 1 inch, shall be cut from the sidewall of each body 90 apart (or from the flat of the base as applicable). A permanent Polaroid photo shall be made of each specimen as seen under a scanning electron microscope at 100 magnification. shall be assembled with 2 kilograms of p
31、redried Indicating Grade Drierite (manufactured by the Hammond Corporation) or equivalent contained in the assembly. the interface ween the body and the base, and the forward end of the body sh be sealed with wax. The assembly shall be placed in a conditioning chamber and exposed to 95% relative hum
32、idity at 100F for 24 hours. drierite then shall be weighed. Drierite shall be calculated as follows: 4.5.3 Moisture Vapor Transmission.-The bodies and bases The base igniter boss, The assembly of case and The moisture pickup of the $ Moisture = 100 -(B - A) A Where : A = weight of case assembly and
33、drierite before test. B = weight of case assembly and drierite after test. 4.5.4 Proving Ground.-These tests shall be conducted at a Government proving ground (designated by the contracting officer) in accordance with the applicable Proving Ground Acceptance Test Procedure. Case parts shall be assem
34、bled to l52MM projectiles in accordance with dwg. 9-28$l037; Without using adhesive to assemble the body to the base of the case. Rounds shall be conditioned for 24 hours at 70 t 2OF. Rounds shall bk ballistically tested within 5 minutes after removal from conditioning. The gun scavenger shall be us
35、ed during the ballistic test, O ervation shall be made for compliance with the applicabl requirement (see 3.6). Movie camera ch block and chamber of the weapon provided for all test firings. 5. PREPARATION FOR DELIVERY Each case body shall be sealed in a one and um thickness) polyethylene bag. A max
36、imum bases shall be packed together in a similar ce with PPP-B-26. Th method of sealing shal: roved heat seal. polyethylene . The bag material shal be Type II, Grade A, 5.2 Packing 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48884 (FA) I
37、5.2.1 Level C.-Bag case bodies and case bases shall be 5.3 Marking.-Unless otherwise specified, markings shall be 6. NOTES packed in accordance wi g. 8889489 or 9242503, as applicable., in accordance with dwg. 8799112, and dwg. 9275739. data shall be in accordance with 6.2 Excessive residue.-Residue
38、 is defined as excessive if it is significant enough to prevent chambering or hinder functioning of a subsequent round, or exceeds 1 inch by 2 inches in size, as determined by the proving ground. 6.3 6.3.1 Assembly of cartridge case.-Cartridge cases shall be assembled to lS2MM, loading procedures, e
39、xcept that no adhesive or lacquer shall be used to cement the case body to the case base, or in the assembly of the Pr er to the case base. M4.1 or equivalent projectiles using normal I 6.3.2 Cleani -Prior to each flring, the breech and firing apon shall be thoroughly cleaned and dried, 6.3.3 Handli
40、ng and storage.-Special care shall be taken in probe of the test the handling and storage of sample cartridge cases to prevent contamination by grease, grime, dirt, or other foreign material. 6.4 Data Requirements.-Deliverable data required by this specification is cited in the following paragraph:
41、Paragraph Data Requirement 3.3 Process Data DI-P-160$ Except only process data stipulated herein applies and report format optional (Copies of data item. descriptions required by the contractors in connection with specific procurement functions shall be obtained from the procuring activity or as. di
42、rected by the contracting officer. shall include Picatinny Arsenal, ATTN: SARPA-&A-A-P, Dover, New Jersey 07801). Distribution of data required by DI-P-1604 10 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
