1、I 1 I l I l I l I I I t ! I I I l l l l I l l l 1 I l Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by usi
2、ng the self- addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. A MIL-C-43761C 25 March 1988 SUPERSEDING 28 September 1984 MIL-C-43761B MILITARY SPECIFICATION . CUP, WATER CANTEEN, W/WIRE HANDLE, CORROSION-RESISTING STEEL This s
3、pecification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers one type and size of corrosion-resisting steel canteen cup with a folding wire handle (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Government documents. * 2.1.1 Documents
4、. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicit
5、ation. SPECIFICATIONS FEDERAL QQ-P-35 - Passivation Treatments for Corrosion-Resisting Steel QQ-S-763 - Steel Bars, Wire, Shapes, and Forgings, Corrosion- QQ-S-766 - Steel Plates, Sheets, and Strip - Corrosion-Resisting Resisting PPP-B-26 - Bag, Plastic, (General Purpose) PPP-B-636 - Boxes, Shipping
6、, Fiberboard DISTRIBUTION STATEMENT A, Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS /A PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _ - - I _ . - -I_- I_- _ MIL-C-437bLC 4 W 777770b 037b074 2 W MIL-C-43761
7、C O MILITARY MIL-W-8611 MIL-W-12332 - Welding, Resistance, Spot, Seam, and Projection; MIL-L-35078 - Loads, Unit: Preparation of Semiperishable - Welding, Metal Arc and Gas, Steels, and Corrosion and Heat Resistant Alloys; Process For for Fabricating Assemblies of Low-Carbon Steel Subsistence Items;
8、 Clothing, Personal Equipment and Equipage; General Specification For STANDARDS MILITARY MIL-STD-105 - Sampling for Procedures and Tables for Inspection MIL-STD-129 - Marking for Shipment and Storage MIL-STD-147 - Palletized Unit Loads by Attributes DRAWINGS U.S. ARMY NATLCK RESEARCH, DEVELOPMENT, A
9、ND ENGINEERING CENTER . 2-9-284 - Cup, Canteen; Assembly and Details (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the cpntracting activity.) 2.2 Other publications. The following docu
10、ments form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified 2n the solicitation. Unless otherwise specified, the issues of documents not listed in the DODIS
11、S shall be the issues of the nongovernment documents which are current on the date of the solicitation. AMERICAN SOCIETY FOR TESTING AND MATERIALS ( ASTM) D 3951 - Standard Practice for Commercial Packaging E 18 - Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials (Application
12、 for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. I l l 1 I I I 1 1 l I I I I i I i I I I I i MIL.4-4376 1 C (Technic
13、al society and technical association documents are generally available for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, th
14、e text of this document shall take precedence. Nothing in this document, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. , 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first
15、 article inspection (see 4.3, 6.2, and 6.3). 3.2 Materials and components. The materials and components shall be as specified herein and on Drawing 2-9-284. definitely specified shall be of the quality normally used by the manufacturer provided the completed Item complies with all the provisions of
16、this document (see 6.4). Materials and components not 3.2.1 Steel, corrosion-resisting. 3.2.1.1 Sheet and strip. Corrosion-resisting steel sheet and strip for cup, (body and hinge), shall be class 302 or 304 of QQ-S-766. 3.2.1.2 7 Wire. Corrosion-resisting steel wire shall conform to condition B, cl
17、ass 302 or 304, form round, finish cold of QQ-S-763. 3.3 Design and construction. The design and construction of the canteen cup shall conform to Drawing 2-9-284 and the requirements specified herein (see 6.5). 3.3.1 Body. The body of the cup shall be fabricated of the corrosion- resisting steel spe
18、cified in 3.2.1.1 and shall be of seamless construction conforming to the dimensions specified on Drawing 2-9-284. The top edge shall be free of sharp edges, cracks, burrs, slivers, or rough surfaces. After forming, the vertical walls of the body shall have a minimum hardness of 46 on the 30N Rockwe
19、ll scale when tested as specified in 4.5.5. 3.3.2 Handle. The handle shall be fabricated of corrosion-resisting steel specified in 3.2.1.2 and shall be welded in accordance with MIL-W-8611 or MIL-i?-12332. The resistance “TI welds of the handle shall withstand a minimum total force of 235 pounds whe
20、n tested as specified in 4.5.4. The handle shall conform to the design, dimension, and detail requirements of Drawing 2-9-284. The handle shall fit snugly against the cup within 1/8 inch when folded and the right handle shall rest and lock into the left handle when in use. 3 Provided by IHSNot for R
21、esaleNo reproduction or networking permitted without license from IHS-,-,-_I _I_I- - MIL-C-437bLC 4 - - 9999906 0396096 6 a MIL-C-43761C 3.3.3 - Hinge. The hinge shall be fabricated of corrosion-resisting steel The hinge shall be attached by spot welds or The welds shall be free of splatter, burn sp
22、ecified in 3.2.1.1 and shall conform to the design, dimension, and details specified on Drawing 2-9-284. projection welds in accordance with MIL-W-12332, and shall be located on the cup as shown on Drawing 2-9-284. holes, cracks or fractures, and discoloration and shall be tightly joined when tested
23、 as specified in 4.5.1, 4.5.2, or 4.5.3, as applicable. The hinge shall be a close fit to the contour of the body and there shall be no gaps between edge of hinge and body greater than 1/64 inch. * 3.4 Finish. The canteen cup shall be given a uniform frosted lusterless finish approximating a commerc
24、ial 2D sheet finish and passivated in accordance with QQ-P-35. There shall be no evidence of rust, staining, pitting, or spotting when tested as specified in 4.5.6. 3.5 Marking. The letters US, the year of manufacture, and the manufacturers name or trademark shall be stamped on the hinge as shown on
25、 Drawing 2-9-284. 3.6 Workmanship. The finished canteen cup shall be clean and free of any dent or being bsnt out of shape, stain, ripple, fracture, die or draw mark. The handles and hinge shall also be free of any sharp edge, burr, or sliver. Indentation on the inside of cup due to welding of the h
26、inge is acceptable providing the indentation is smooth and free from sharp edges, weld splatter, burr, crack, or burn through area, and does not exceed 0.005 inch in depth. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the Except as otherwise contra
27、ct or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein
28、, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this document where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. * 4.1.1 Responsibility for compliance. All items must
29、 meet all requirements of sections 3 and 5. The inspection set forth in this document shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirement in the document shall not relieve the contractor of the responsibility of assuring that
30、 all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective mater
31、ial. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43761C 4.1.2 Responsibility for dimensional requirements. Unless otherwise specified in the contract or purchase order, the contractor is responsible for assuring that all specified dimensi
32、ons have been met. When dimensions cannot be examined on the end item, inspection shall be made at any point or at all points in the manufacturing process necessary to assure compliance with all dimensional requirements. 4.2 Classification of inspections. The inspection requirements specified herein
33、 are classified as follows: a. First article inspection (see 4.3). . b . Quality conformance inspection (see 4.4 1. 4.3 First article inspection. When a first article is required (see 6.21, it shall be examined for the defects specified in 4.4.3 and 4.4.4 and tested as specified in 4.5.2 through 4.5
34、.6, as applicable. defect or failure to pass any test shall be cause for rejection of the first article. The presence of any 4.4 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in accordance with MIL-STD-105, 4.4.1 Component and material inspect
35、ion. In accordance with 4.1, components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified, or qualified in this document or applicable purchase document. 4.4.2 fn-process inspection. a 4.4.2.1 In-process exam
36、ination. In-process examination shall be made to establish conformance to the welding on wire handles requirements of Drawing 2-9-284. Whenever nonconformance is noted, correction shall be made to the applicable process and all items processed. 4.4.2.2 In-process spot or projection weld testing. The
37、 spot or projection weld sample peel test shall be conducted on two test specimens per welding machine rather than sample cups. be performed as specified in 4.5.1 at the start of each days shifts production. Failure of test shall require correction of the welding process. The spot or projection weld
38、ing testing shall 4.4.3 End item visual examination. The end items shall be examined for the defects listed in table I. The sample unit shall be one cup. The inspection level shall be II and the acceptable quality level (AQL), expressed in terms of defects per hundred units, shall be 2-5 for major d
39、efects and 6.5 for total (major and minor combined) defects. The lot size shall be expressed in units of cups. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43761C TABLE I, End item visual defects Examine Defect Classification Finish Major
40、Minor - Not a uniform, frosted, lusterless finish approximating a commercial 2D sheet finish Evidence of rust, staining, pitting, or spotting (slight water spotting, easily removed by washing shall not be considered a defect) Construotion and Seam, lap, lamination or crease, workmanship or metal rip
41、ple (applicable to all components and Component dented assemblies) Component fractured Any component missing Component bent out of shape Rim of cup contains sharp edge, Evidence of die or draw mark Handle does not fold around cup within 1/8 inch as specified, or right handle does not nest into left
42、handle Hinge plate is not close fit against body, i.e. contains gap along edge greater than 1/64 inch (use feeler burr, crack, sliver, or rough spot gage 1 Handle binds or requires force in Handle or hinge contains sharp edge, opening or folding burr, or sliver Welds Contains crack or fracture Not n
43、umber specified Not in location shown on drawing Contains burn hole, splatter, or discoloration Evidence of poor fusion Any missing weld Weld on handle not neatly performed, i.e. contains rough or sharp projection or bead X X X X X X X X X X X X X X X X X X X X 6 Provided by IHSNot for ResaleNo repr
44、oduction or networking permitted without license from IHS-,-,-MIL-C-43761C TABLE I. End item visual defects (contd) Examine Defect Classification Welds (oontd) Major Minor - Indentation in weld area on inside of cup (Indentation on inside of the cup due to welding of the hinge is acceptable providin
45、g the indentation is smoothand free from sharp edges, weld splatter, burr, crack, burn through area, and does not exceed 0.005 inch in depth) X Marking Missing, illegible, or incomplete X * 4.4.4 End item imensional examination. The end items shall be examined for the dimensions annotated with an as
46、terisk on Drawing 2-9-284. dimension not within the specified tolerance shall be classified as a defect. The lot size shall be expressed in units of cups. one cup. The inspection level shall be S-2 and the AQL, expressed in terms of defects per hundred units, shall be-4.0. Any The sample unit shall
47、be 4.4.5 End item testing. The end items shall be tested as specified in 4.5.2 or 4.5.35.S, and 4.5.6. units of cups. The sample unit shall be one cup. The inspection level shall be S-1 and the AQL, expressed in terms of defects per hundred unies, shall be The lot size shall be expressed in . 2.5. *
48、 4.4.6 Packaging examination. The fully packaged end items shall be examined for the defects listed below. units of shipping containers. fully packaged. The inspection level shall be S-2 and the AQL, expressed in terms of defects per hundred units, shall be 2.5. The lot size shall be,expressed in Th
49、e sample unit shall be one shipping container Examine Defect Marking (exterior Omitted; incorrect; illegible; of improper and interior) size, location, sequence, or method of application Mat er ia1 s Any component missing, damaged, or not as specified 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ml_I_I_I_ _ _s_l_ _ MIL-C-437blC 4 m 777970b 0376100 4 MIL
