1、MIL-C-7 82B (MU) 20 March 1969 SUPERSEDING Ei1 L- C-O O 7 82A ( Om) 1 December 1958 MILITARY SPECIFICATION CORES, STGEL; FOR USE IN BALL TYPES OF SMALL ARMS AMMUNITION 1. SCOPE bullets for ball types of small arm6 ammunition. 1.1 This specification covers steel cores for use in the assembly of 1.2 C
2、lassification.- The steel cores covered by this specification shall be of the following types (See 6.1) : Type I - Core for Cartridge 7.62MM, NAkO, Ball, M59 Type II - Core for Cartridge, Caliber .50, Ball, M and M33 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date
3、of invi- tation for bids or request for proposal form a part of this specification. SPEGIFICATIONS Federal PPP-B-621 PPP-B-636 vv- L- 800 S TANDAROS Military MIL- STD- 10 9 -. MIL- STb 129 DRAWINGS US Army Ilunitions Command Bb 17 199 1 n755374b Boxes, Wood, Nailed and Lock Corner Boxes, Fiberboard
4、Lubricating Oil, General Purpose, Preservative (Water Displacing, Low Temperature) Sampling Procedures and Tables for Quality Assurance Terms and Definitions Marking for Shipment and Storage Inspection by Attributes Cores, Caliber .50, ball, M and M33 Core, 7,62MM, NATO, ball, P59 FYG 1305 T-f . ( -
5、i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-7BZB 13 W 9999906 02713b7 5 W MI L- C- 7 82 ( Plu ) PUULICATIOKS US Army Munitions Command Visual Inspection Standards for Cores Used in Small Arms Ammunition Manu- facture (Copies of specificat
6、ions, standards, drawings aiid publications required by suppliers in connection with specific procurement functions should be ob- tained from the procuring activity or as directed by the contracting officer.) 3. REQUIREMEisiTS , 3.1 General.- The core shall comply with all requirements specified on
7、the applicable drawing, referenced specifications and the following: 3.2 Workmanship.- The requirements for workmanship are as specified on the applicable drawings, referenced specifications and the following: 3.2.1 Metal defects.- The core shall be free of teats, cracks, chips, mutilations, defecti
8、ve points, tool marks, excessive corner break, no corner break, burrs, steps, long body and missing cannelure. 3.2.2 Foreign matter.- The core shall be free of rust, dirt, scale and grit. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection.- Unless otherwise specifie in the contract or
9、 purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. specified in tlie contract or order, tlie supplier may use his own or any other facilities suitable for the performance of the inspection requirements speci- fied herein, unless disap
10、proved by the Government, Tire Government reserves tlie riglit to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Except as otherwise 4.1.1 Quality assurance terms and defini
11、tions.- Reference shall be macle to MIL-STD-109 to define quality assurance terms used. 4.2 First article sample. 4.2.1 Initial production sample.- At the beginning of regi,lar produc- tion, a sample shall be submitte in accordance with contract requirements and shall consist of 200 cores. same mate
12、rials, equipment, processes and procedures as will be used in regular production. be the same as used for regular production and shall be obtained from tlie came source o supply. /-7 The sample shall be manufactured using the All parts and materials, including packaginy, and packing shall :i ,* , .,
13、 ., 2 -i- I Y-. . -I ?- :2 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-782B 13 7977906 0273370 L -1 I 4.2.1.1 Examination and test.- After inspection and provisional acceptance at source, the sample shall be inspected for all requirements
14、 of the drawings and specifications at a government laboratory or such other facility specified in the contract, 4.2.1.2 Initial production sample.- Failure of the sample to comply with the requirements of the drawings and specifications shall result in sample disapproval. 4.3 Inspection provisions.
15、 4.3.1.1 Submission of product.- The product shall be submitted in accordance with MIL-STD-105. 4.3.1.2 Lot identification. Each lot of cores shall be identified by lot number, type, name of the contractor and name of the steel manufacturer. 4.3.2 Examination.- Examination for major and minor defect
16、s shall be performed on a class basis in accordance with the classification of defects, Table I, uaing applicable sampling plans and acceptance criteria of MIL-CTD- 105. percent and the AQL for the minor class shall be 1.50 percent. conforming cores shall be rejected. The acceptable quality level (A
17、QL) for the major class shall be 0.25 All non- 4.3.2.1 Classification of defects.- The classification of defects shall be as specified in Table I. 1/ TABLE I - Uefect CRITICAL: None defined MAJOR 101, 102. 103 . 104 e 105 . 106 . 107 . 108. 109 . 110 . 111 . Total length Outside diameter Ogive profi
18、le Diameter and taper of boattail Canne lu re diameter Location of cannelure Rod ends, stubs and.scrap Teat Mu1 t i la t ed Cracked Chipped Method of Inspection Gage Gage Gage Gage 2/ Gage Gage Visual Visual Visual Visual A/ Visual 3 Provided by IHSNot for ResaleNo reproduction or networking permitt
19、ed without license from IHS-,-,-MIL-C-7B28 13 m 9999906 0291371 3 m MIL-C- 7 82 1% (HU) TABLE I (Cont d) MINOR Defect 201. Weight 202. Defective point 203. Excessive or no corner break 204. Tool marks 205. Burrs 206. Steps 207. Rusty, dirt, scale and grit Method of Inspection Scale Visual Visual Vis
20、ual Visual Visual Visual - i/ Refer to ORD-SIT-S302 in defining and evaluating visual defects (See b.2.1). - 21 Applicable to Caliber .50 cores only. I 3/ Defined as crack deeper than .010“ for Caliber .50 and .008“ for 7eb2MEl Cores having cracks with depth equal to or less than that noted cores. s
21、hall be classed as minor defectives. magnification. Section, polish and examine under 4.3.3 Inspection equipment.- The examination shall be made using comercial measuring equipment with a precision of 10 percent of the tolerance on the product dimension. 5. PREPARATION FOR DELIVERY 5.1 Preservation.
22、- Cores shall be coated lightly with rust inhibiting oil, Federal Specification VV-L-800. 5.2 Packing. 5.2.1 Level C (Domestic shipment).- The cores shall be packed in boxes manufactured in accordance with Federal Specification PPP-B-621 or PPP-B-63b. packed in any single container- No more than 10,
23、000 7-62MI1 or 2,500 Caliber .5 core6 shall be 5.3 Marking.- Each box shall be marked with the quantity, nomen- clature, caliber and model number of core, lot number, name of contractor, and the number of the contract or purchase order in accordance with Military Standard MIGSTP.129. 6. NOTES 0. 6.1
24、 Ordering data.- Invitations for bids or request ?or proposal and contracts or orders will specify the following: 6.1.1 Title, number and date of this specification. 6.1.2 Type of core (See 1.2). 6.1.3 Type of packing. f Provided by IHSNot for ResaleNo reproduction or networking permitted without li
25、cense from IHS-,-,-MIL-C-782B (MU) 6.1.4 Provision for submission of acceptance inspection reports, in duplicate, to the contracting officer, containing final inspection results for each lot of cups presented to the Government. 6.2 Defect definitions and standards, 6.2.1 Visual defects.- Defects for
26、 7.62MM M59 cores covered by this specification are not shown specifically in OWSIP-S302, Visual Inspection Standards for Cores Used in Small Arms Ammunition Manufacture. tions at the bottom of Page 7 of that SIP are applicable only to a predecessor deeign of the 7.62MM M59 core. Caliber .30 AP and
27、MI core sections of the SIP should be used in connection with visual inspection of the 7.62MM M59 cores. The illustra- Applicable visual defect standards of the Preparing activity : Custodian: Amy - MU Amy - Mu Project No. 1305-A351 .- U -. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
