1、4,47 * 03 MIL-B-50506 (MU) 14 June 1972 MILITARY SPECIFICATION BODY, ANTIPERSONNEL MINE, PRACTICE, M33 PARTS FOR LOADING, ASSEMBLING, AND PACKING 1. SCOPE 1.1 This specification covers the parts for loading, assembling and packing for one type of mine designated as Body, Antipersonnel Mine, Practice
2、, M33. 2. APPLICABLE DOCUMENTS 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 specification to the extent specified herein. SPECIFICATIONS FEDERAL PPP-T-45 - Tape, Gummed, Paper, Reinforced PPP-B-636 - Box, Fiberboard an
3、d Plain, for Sealing and Securing MILITARY MIL-A-2550 - Ammunition and Special Weapons; General Specification for STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables MIL-STD-109 - Inspection Terms and Definitions for Inspection by Attributes FCS: 1345 Provided by IHSNot for ResaleNo repr
4、oduction or networking permitted without license from IHS-,-,-MIL-B-5056 (fdu) ML-STD-1168 - Lot Numbering of Ammunition MIL-STD-1169 - Packaging, Packing and Marking for Shipment of Inert Ammunition Components MIL-STD-1235 - Single and Multilevel Continuous Sampling Procedures and Tables for Inspec
5、tion by Attributes DRAWINGS U. S . ARMY MUNITIONS COMMAND 9251501 - Body, APERS, Mine, Practice, M33 PUBLICATIONS U. S . ARMY MUNITIONS CMNAND ET-9251501 - Equipment Tabulation (Copies of spcifications, standards, drawings and .publications required by contractors in connection with specific procure
6、ment functions should be obtained from the procuring activity or as directed by the contracting officer.) 3. REQUIREMENTS 3.1 Material.-Mterial shall be in accordance with applicable drawings and specifications. 3.2 Body.-The practice mine body shall comply with all requirements specified on Drawing
7、 (dwg.) 9251501, and with all requirements specified in applicable specifications. 3.3 Susceptibility to cracking 3.3.1 Case assembly.-The case assembly, dwg. 9251502, shall not crack when subjected to a load of i75 pounds, plus or minus 5 pounds when tested as specified in 4.4.1.1, when subjectedto
8、 a-load of 60 pounds, plus or minus 5 pounds, when tested as specified in 4.4.1.2. i 3.3.2 Cover.-The cover, dwg. 8800916, shall not crack I 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.3 Low temperature.-The cover and case assembly shall no
9、t crack when subjected to temperature conditioning at minus 65 degrees Fahrenheit, plus or minus 5 degrees, for a period of 24 hours plus or minus 1/2 hour when tested as specified in 4.4.1.3. 3.4 Workmanship.-All parts and assemblies shall be fabricated and finished in a thorough, workmanlike manne
10、r. They shall be free of burrs, chips, sharp edges, surface cracks, crazes, porosity, warpage, burn marks, checks, blisters, excess flash, unblended radii, chipped edges, scratches, dirt, grease, rust, corrosion products and other defects and foreign matter which would affect appearance or serviceab
11、ility. The cleaning method used shall not be injurious to any part nor shall the parts be contaminated by the cleaning agent. All required markings shall be neat, legible and sharply defined. 3.5 First article inspection.-This specification makes provisions for first article inspection. Requirements
12、 for the submission of first article samples by the contractor shall be as specified in the contract. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection.-Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection req
13、uirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any o
14、f the inspection set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Reference shall be made to MIL-STD-109 to define terms used herein. The provisions of MIL-A-2550 shall apply. lot of items deliverable under
15、 the contract is submitted to the Government for acceptance, the contractor shall supply the following information accompanied by a certificate which attests that the information provided is correct and applicable to the product being submitted: 4.1.1 Submission of product.-At the time each complete
16、d a. A statement that the lot complies with all of the quaZ.*y assurance provisions specified in this specification. b. Drawing and specification number and date, together with identification and date of changes thereto. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without
17、license from IHS-,-,-MIL-B-50506 (MU) C. A statement that all material purchased by the contractor meets requirements, when such material is controlled by the Government or commercial specifications referenced in any of the contractual documents, and that certificates of conformance are on file and
18、available for review d. Number of items in the lot, e. Date submitted. The certificate shall be signed by a responsible agent of the certifying organization. The initial certificate submitted shall be substantiated by evidence of the agents authority to bind his principal. Substantiation of the agen
19、ts authority will not be required with subsequent certificates unless, during the course of the contract, this authority is vested in another agent of the certifying organization. 4.2 First article inspection 4.2.1 Submission.-The contractor shall submit a first article sample as designated by the C
20、ontracting Officer for evaluation in accordance with the provisions of 4.2.2. The first article sample shall consist of i5 complete assemblies and i5 complete sets of parts (i.e*, i5 each of every individual component and every subassembly, including at least three items from each cavity used to pro
21、duce plastic parts and so identified as to permit tracing each item to the cavity in which it was molded) which have been produced by the contractor or furnished by a supplier and which have been manufactured using the same production processes, procedures and equipment which will be used in fulfill
22、ing the contract. All part$ and materials, including packaging and packing shall be obtained from the same source of supply as will be used in regular production. Prior to submission, the contractor shall inspect the sample to the degree necessary to assure that it conforms to the requirements of th
23、e contract and he shall submit a record of this inspection with the sample, including certificates of conformance for materials. A sample containing known defects shall not be submitted unless specifically authorized by the contracting officer. A first article sample, or portion thereof, as directed
24、 by the contracting officer shall also be submitted whenever there is a lapse in production for a period in excess of 90 days, or whenever a change occurs in manufacturing process, material used, drawing or specification such as to significantly affect product uniformity as determined by the Governm
25、ent. In the event of rejection, the Government reserves the right to require the contractor to take corrective action and submit an additional sample or portion thereof of items for first article inspection. Until a first arti.cle sample is accepted, the contractor is, in no way, authorized by the G
26、overnment to initiate regular production unless otherwise directed by the contracting officer. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-8-50506 13 I 7997906 0327765 a MIL-B-50506 (MU) - 4.2.2 Inspections to be performed.-Assemblies, suba
27、ssemblies and components shall be subjected by the Government to any or all of the examinations specified in 4.3 of this specification and-any or all requirements of the applicable drawings. After clasaification of defects and stlaen. inspections have been per- formed as speciffed, %he following com
28、ponents and subassemblies shall be subjected to test as indicated below: a., Susceptability to cracks under loading (see 3.3.1 and 3.3.2) - 5 ease assemblies, 5 covers. b. Susceptability to cracks at low temperatures (see 3.3.3) - 5 case assemblles, 5 covers. fails first 4.2.3 Rejection.-If any asse
29、mbly, subassembly or component to comply with any of the applicable requirements, the article sample shall be rejected. The Government reserves the right to terminate its inspection upon any failure of an assembly, subassembly or component to comply with any of the stated requirements, 4.3 Inspectio
30、n provisions 4,3e1 Lot formation.-The term “inspection lot“ as used ia? this specification is defined as an essentially homogeneous cohkction of units of product $rom which a representative sample is drawn ancl inspected to determine conformance with applicable requirements, The sample selected shal
31、l represent only that quantity of units from which the sample was drawn and shall not be cqnstrued to represent any pr$os or subsequent quantities presented for inspectfon, Homogeneity shall be considered to exist provided the Inspection lot has been produced by one manufactures, in one unchanged pr
32、ocess, using the same materials and methods, in accordance with the same drawings, same drawing revisions, same specifications and same specification revisions and cornplies with the provisions for submission of product as specified in MIL-STD-105, Changes to the process, specifications, or drawings
33、 not affecting safety, performance, interchangeability, or storage as determined by the Government, shall not be deemed to alter the homogeneity of an bnspection lot. All material submitted For Inspection baa accordance with this specification shall Comply w%th the homogeneity criteria specified her
34、ein regardless of the type of sampling procedure which is being applied to determine conformance with requirements. as aefluired, shall be in accordance with MIL-STD-1168. Each insp -tion lot of complete practice body assemblies shall contain parta of one lot interfix numbep from one supplier. Lot n
35、umbering, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-50506 13 M 9779706 0327766 T W MIL-B-50506 (MU) 4.3.1.1 Process specification.-A process specification specifying the time, temperature and pressure ranges which shall be maintained duri
36、ng production of the molded parts shall be kept on file and available for review. 4.3.2 Examination.-The examinations listed in the following subparagraphs shall be performed on inspection lots (see 4.3.1) of the components or asseinblies designated in the applicable paragraph headings. Inspection f
37、or critical defects (and major defects, when so specified) shall be 100 percent, plans for major and minor defects shall be in accordance with MIL-STD-105 except thak continuous sampling plans in accordance with MIL-STD-1235 may be use if approved by the Government. Instead of applying the AQLs desi
38、gnated herein to the groups of major and minor defects listed, the contractor may elect to apply AQLs to individual defects using an AQL of 0.40 percent for each major defect and an AQL of 0.65 percent for each minor defect, all of the major and minor defects listed in the applicable subparagraphs o
39、f this section, except where 100 percent inspection is specified, and be documented as part of the contractors inspection system. the inspections listed shall be in accordancewith 4.3.4, Sampling When this method is elected, it shall be applied to Equipment necessary for the performance of 4.3.2.1 C
40、ase (see dwg. 8800915 covering a detail of dwg. 9251501) Cat egories Defects Critical: None defined Method of Code No. Inspect ion (see 6.2) Major: 101. 102, 103. 106. 107. 108. Minor: 201. 6 AQL 1.00 pel :ent Case split to extent that functioning may be impaired. Visual Fillet to face of snap tabs
41、irnproper.,.,.Visual Start of perfect thread incorrectly located.Gage Depth of thread cavity,.,Gage Depth to bottom of undercut below threads, maximum (max.).,Gage Location of well recesses.Gage Height front to rear knife edge.,Gage Pitch diameter of threads,Gage AQL 1.00 percent Knife edges of sigh
42、t have flash or nicks.,.,.,isUal O1001 01002 O1003 01004 O1005 01007 01006 01008 oioog. , :- . :-z J. . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-50506 (MU) 202. Evidence of poor workmanship (see 3.4)e.e . mVisual 01027 - 4.3.2.2 Cover
43、(see dwg. 88009i6 covering a detail of dwg. 9251501) Categories Defects Method of Code No Inspection Critical: None defhed Maj or: AQL 0,40 percent 1Q1. Cover split to extent that functioning may be %rnpaired.Visual 02001 Minor: AQL 0.65 percent 201. Evidence of poor workmanship (See 3.4)0e08e. OOoO
44、.Q.oisual 02002 4.3.2.3 Case assembly (see dwg. 9251502 covering a detail of dwg. 9251501) Cat egories Defects Method of Code No Inspection Critical.: None defined Major: AQL 0.65 percent 101. Length across snap tabs . Gage 03001 102. Width across snap tabs Gage 03002 section gage 03003 103. Outside
45、 length of mating lip 104. Outside width of mating lip section gage 03004 Minor: AQL 1.50 percent 201. Missing parts.Visual 03005 204. Evidence of poor workmanship 202. Torque to move les.Test 03006 203. Torque to move brackets.Test . 03007 (see 3.4) .Visua 03008 4.3.2.4 Cup, well (see dwg. 8837133
46、covering a detail of dwg. 9251501) ategories Defects Method of Code No, Inspection Critical: None defined Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-EX-50506 (MU) Major: AQL 0.40 percent 101. Flange diameter.,.Gage 04001 Minor: AQL 0.65 perc
47、ent 201. Evidence of poor workmanship (see 3.4).visua1 04002 4.3.2,5 Shipping plug - priming adapter (see dwg. 8857210 covering a detail of dwg. 9251501) Categories Defects Method of Code No. Inspection Critical: None defined Major: AQL 0.65 percent 101. Start of perfect, thread, plug end.,.Gage 050
48、01 102. Start of perfect thread, split end.Gage 05002 103. Slot width, minimum (rnin.),.Gage 05003 Minor: AQL 0.65 percent 201. Evidence of poor workmanship 05004. (see 3.4) .Visua 4.3.2.6 Case assembly, loaded (see dwg. 9251502 covering a detail of dwg. 9251501) Categories Defects Method of Inspect
49、ion Critical: None defined Major: None defined Minor: AQL 1.50 percent 201. Snap tab(s) missing or damagedVisual 202. Marking misleading or unidentifiable,.,.,.,.Visual 203. Evidence of poor workmanship (see 3.4).visua1 4.3.2.7 Assembly (see dwg. 9251501) Categories Defects Critical: None defined Method of Inspection Code No. 06001 06002 06003 Code No. Provided by IHSNot for ResaleNo reproductio
