1、MIL-C-63296 13 W 9797906 03Lt7392 7 - MIL-Co63296 (AR) - 22 January 1980 - FA-PD-MI-2523, Rev. 1 1 July 1064 MILITARY SPECIFICATION CASE, CARTRIDGE, 105MM, M115Bl This specification is approved for use by US Army Armament Research and Development Command and is available for use by all Departments a
2、nd Agencies of the Department of Defense. SCOPE 1. - 1.1 Scope.-This specification contains requirements not covered bv the drawings and provides quality assurance provisions for the fabrication of a case, cartridge, LOSmm, M115B1. 2. APPLICABLE DOCUMENTS 2.1 Issues of documents.-The following docum
3、ents of the issue in effect on date of invitation for bids, or request for proposals, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-A-48078 - Ammunition, Standard Oualitv Assurance Provisions, General Specification or STANDARDS MI L I TARY MIL-STD-1169
4、 - Packaginq, Packing and Markinq for Shipment of Inert Ammunition Components . *U.S.GOVERNMENT PRINTING OFFICE: 1980-603-121/1285 FSC: 131.5 f THIS DOCUMENT CONTAINS i? PAGES. I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7 MIL-C-63296 13 799790
5、6 03q7393 9 MIL-C-632 96 (AR) DRAWINGS 7548235 - Cartons, Ammunition, for Interplant Shipment of Steel Cartridge Cases, Empty 37MM to OMM, Inclusive 8663760 - Gage, Chamber 10520214 - Case, Cartridge, 105MM, M115B1 (Copies of specifications, standards, drawings and publications listed above or in th
6、e item detail specification required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) Other publications.-The following documents form a part of this specification to the extent specified herein.
7、 indicated, the issue in effect on date of invitation for bids or request for proDosal shall apply. 2.2 Unless otherwise AMERICAN NATIONAL STANDARDS INSTITUTE (ANS I1 ANSI B46.1 - Surface Texture, Application for copies should be addressed to: American National Standards Institute (ANSI), 1430 Broad
8、way, New York, NY 10018. ASTM Methods -AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM B117 - Standard Method of Salt Sprav (Fog) Test ina - -_ ASTM E8 ASTM EI8 ASTM E381 - Standaid Methods of Tension Testing of - Standard Methods of Test for Rockwell - Standard Method for Rating Macroetched Metalli
9、c- Materials Hardness and Rockwell Superficial Hardness of Metallic Materials S tee1 (Appl.ication for copies should be addrkssed to the American Societv for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103) 3. REQUIREMENTS 3.1 General.-The cartridge case shall comply with the require
10、ments of the applicable drawings, reference specifications and the fol.lowing: 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-63296 13 M 9999906 03L17394 O MIL-63296 (AR) 3.2 Material.-The supplier shall be responsible for selecting from the
11、 classification list contained in the raw material specifications, the surface and physical condition of the raw material intended for use in manufacture . 3.3 Mechanical properties.-The mechanical properties specified on the applicable drawings and referenced specifications shall be uniform through
12、out each section. 3.3.1 Thermal treatment.-The entire cartridge case shall be subjected to a thermal treatment after the heading operation by heating .above the upper critical temperature point, quenching and tempering to the desired properties. 3.3.2 Stress relief.-The cartridge case shall be adequ
13、ately stress relieved at the times and temperatures suitable for development of de si red properties. 3.4 Protective coating.-Protective coating as specified on the applicable drawings and reference specifications shall applv to all surfaces of the cartridge case regardless of contour configuration
14、and shall be uniform and continuous. Scratches exposing base metal will not be permit ted. 3.5 Maximum profile and alignment.-Maximum profile and alignment of the cartridge case shall comply with the requirements of the applicable drawing. 3.6 Functional.-The cartridge case shall be subjected to a f
15、unctional test in the following phases: a. Excess pressure phase b. Cold temperature phase c. Excess, excess pressure phase (for information onlv). . 3.6.1 Obturation.-The cartridge case shall effectively seal the breech of the weapon against leakage of gases generated during firing. 3.6.2 Soundness
16、.-After firing, the cartridge case shall be free of cracks or splits. 3.6.3 Extraction-After firing, the cartridge case shall be extracted by the service extractors when the weapon is operated in the normal manner. (See 6.4). during firing and extraction. 3.6.4 Primer retention.-The cartridge case s
17、hall retain its mimer I I . Q 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 1 MIL-C-63296 13 9949906 0347395 2 m *Ir MIL-C-63296 (AR) 3.7 First article insPecti0n.-This specification contains technical provisions for first article inspection. Re
18、quirements for the submission of first article samples by the contractor shall be as specified in the contract. Workmanship.-The requirements for workmanship are as specified on the applicable drawings, referenced specifications and the following: Metal defects.-The cartridge case shall be free from
19、 cracks, blisters, seams, laminations, deep scratches or porosity. 3.8 3.8.1 3.8.2 Flow of metal.-The flow of metal in the section of the cartridge case joining the head and sidewall shall follow the direction of the contour of the interior curved surface without presence of folds, cold shuts or rou
20、ghness. minimum length or depth as required by the app1icabl.e drawing and specifications. 3.8.3 Threads.-Threads shall be full and undamaged for t.he entire 3.8.4 Burr.-No cartridge case shall have a burr. 3.8.5 Foreiqn matter.-No cartridge case shall contain chips, dirt, grease, oil, rust, corrosi
21、on, or other foreign matter. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection and standard quality assurance provisions.-Unless otherwise specified herein or in the contract, the provisions of MIL-A-48078 shall apply and are herebv made a part of this detail specification. shall be
22、conducted on this item: 4.2 Classification of inspections.-The following tvpes of inspection a. First Article inspection b. Quality Conformance Inspection 4.3 First article inspection 4.3.1 Submission.-The contractor shall submit a first article sample as designated by the Contracting Officer for ev
23、aluation in accordance with provisions of 4.3.2. The first article shall consist of the , following items in sample quantities as indicated. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-6329b 13 W 79779Ob 03LI7376 4 W * MIL-C-63296 (AR) Pa
24、rt Description Case, Car tr idse (Uncoated) Case; Cartridge (Coated) . Drawings 10 520 2 14 10 520214 Quant i tv 20 254“ *A13 samples must meet the requirements for thermal treatment and high stress expansion tests as performed in the uncoated state. 4.3.2 Inspection to be performed.-See MIL-A-48078
25、 and Table I specified herein. . 4.3.3 ReSection.-See MIL-A-48078. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-63296 13 I 797990b 0397397 6 I 2 O H FI CJ w !i H H 2 f-4 w H d 3 k I H w , rlrl alal uu oo* *WN O00 om0 we4 v) N rlrl $ .rl u
26、(d O CJ O u LI O .rl g u ow I 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-63276 13 7777706 0347qOO 2 111: c P a c U 0 c 0- U I c I ci I- I r r VI h w w X CI) h JZ Io iu dr :sg c rlrlrl rl ri rl rl rlrlFIW& m m m m mmmmm . . . . . . . , .
27、 F! k w k al ci a, -4 a u -4 m Id a 5 c O u al (0 5 5 k u-l k al ci Id -4 a u 4 m Id a a k -ri G ci 2 ci u al k k O u e .rl k oa 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-b327b 13 I 777770b 0347403 4 I: ( c I t . L c 3 C 0. - rl hh CI
28、nr a, d O c rl Oal ! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-63296 z I3 u w pi VI H w u 3 O E E O u i 3 0 (v k CJ m rlFlQ)dr-lrlW mmmmmmm . . . . . . , ai rl I 11 Provided by IHSNot for ResaleNo reproduction or networking permitted with
29、out license from IHS-,-,-MIL-C-63296 13 W 9799906 0347403 rlr-lr-l mmm . dP vilnui WWW O00 I a al e -rl v-! al a al c z a al ctn ord -PE kid rda u LI GO .-I kb al al alci a Pik rd Okk al hord c au a O ECal z HHLO Q 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
30、se from IHS-,-,-T I rl b t E rl w tn d -4 rl m a, Cn k a, 4J w 4 I d O ci k id u rl m I c 4 rlrlrlrl 1 mmmm 1 OiPdPdPdP mmmm WWWW O000 a a, c *rl w al a a, d O z rll I 3.3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-C-63296 (AR) .r 4.4.3 Te
31、sting.-Testing is described in the First Article and Quality Conformance Inspection tables. 4.4.3.1 Functional tests.-The following proving ground tests will be performed by the Government: 4.4.3.1.1 First article sample.-The quantities listed in Table I will be ballistically tested in the phases in
32、dicated and the results of the test will be evaluated in accordance with the criteria set forth in Table II. DEFECT CHARACTERISTIC TABB II ACCEPT 1. Obturation O 2. Splits or cracks within one caliber of the head O 3. Splits or cracks in sidewall more than one caliber from the head 1 4. Extraction O
33、 5. Primer retention O 4.4.3.l.2 Production lot.-One hundred cartridge cases from each lot (see 4.4.11, will be ballistically tested in the excess pressure phase. Acceptance and rejection criteria shall be in accordance with Table III. If after the first submission the lot is eligible for retest (di
34、d not meet the reject criteria) an additional two hundred samples shall be provided for test. The total cumulative sample of three hundred must now meet the requirements of Table III. TABLE III First Submission Cumulative Submission Defect Characteristic Acc ep t Reject Accept 1. Obturation O 2 1 2.
35、 Splits or cracks within one caliber . of the head O 3. Splits or cracks in sidewall more than one caliber from the head 1 4. Extraction O 5. Primer retention O 1 Not Permitted 2 3 1 2 1 2 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-6329
36、6 13 W 779770b 03q7qOb 3 m MIL-C-63296 (AR 4.44 Inspection equipment.-The inspection equipment required to perform the examinations and tests Prescribed herein is described in the Paragraph Ref erence/Inspection Method“ column in the tables starting with garagraoh 4.4.2.1. The contractor shall submi
37、t for approval inspection equipment designs in accordance with the terms of the contract. See Section (i of MIL-A-48078 and 6.8 herein. 4.5 Test methods and procedures 4.5.1 Thermal treatment.-Each cartridge case shall be subjected to a hardness comparator test of a non-destructive tvpe approved by
38、the Contracting Officer. 4.5.2 High stress expansion test.-Each cartridge case in the lot (see 4.4.1) after heat treatment but prior to tapering shall be subjected to this test. The cartridge case shall be expanded diametrically ,050 inches (1.27mm) minimum while under pressure in a zone.extending f
39、rom 1.5 inches (38.10111) above the flange to 9 inches (228.60mm) above the flange, expansion will decrease as the flange is approached, expansion at flange to be zero. specified hy Dwg. 10520214 5.n accordance with the procedures for Rockwell Hardness Testing prescribed by ASTM E-18. 4.5.3 Hardness
40、 test.-This test shall be performed on locations 4.5.4 Tension test.-The test specimens shall be taken from the cartridge case in accordance with the standard position and size of the tensile.specimen chart described in Figure 1. The yield strength, tensile strength and elongation shall be determine
41、d in accordance with the procedures prescribed by ASTM E-8. The results shall be recorded for information only. . 4.5.5 Macro examination.-Each sample shall be cut in 90 degree (1.5708 rad) sections along the axis through the primer hole of the sample cartrifige case. The specimens shall be etched i
42、n accordance with the procedures prescribed for this test by ASTM E381 and visually examined to determine compliance with 3.8.2. Protective coatis.-The criteria specified by the applicable specificationhall be utilized in determining the acceptability of tile protective coating. 4.5.6 Provided by IH
43、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-C-63296 (AR) 4.5.6.1 Thickness of coating.-Five cartridge cases from each lot coating shall be determined by the method specified in the applicable specification. Failure of any specimen to comply with the requ
44、irements of the applicable specification shall be cause for rejection of the lot. 4.5.6.2 Salt spra .-Five cartridge cases from each lot (see 4.4.1) (see 4.4.1) shall be subjected to this test. The thickness of the i shall be subjecte _cr_y to this test. The samples shall be tested using the criteri
45、a and equipment specified for this test by ASTM B-117. The inner compliance with the requirements of the applicable specification. Failure of any specimen to comply with the requirements of the applicable drawing and specification shall be cause for rejection of the lot. . surface as well as the out
46、er surface of the case will be examined for 4.5.7 Visual Standards.-Each cartridge case shall be visually examined for workmanship and cracks. The cartridge case shall comply with the requirements of 3.8 or established visual standards. The visual standards shall be mutually agreed upon between the
47、government and the contractor. 4.5.7.1 Cracks detection.-Four power 14x) magnification shall be used in the examination of the exterior surface of the sidewall for a minimum distance of eight inches (203.20mml forward of the base (flange). All other surfaces may be examined without magnification. 4.
48、5.8 .Maximum profile and alignment gage.-Each cartridge case, after the application of the protective coating shall freely enter a maximum profile and alignment gage, Dwg. 8663760. The gate of the gage shall close without interference with the cartridge case base (flange). 4.5.9 Functional test 4.5.9.1 First article sample 4.5.9.1.1 Excess pressure phase.-The cartridge case will be assembled into a complete round in the same manner as rewired for service firing. chamber pressure with the following limi tc (see Dwg. 10520214) . Minimum mean value of the test rounds fired to be 64,
