1、MIL-B-17143G 19 October 1988 SUPERSEDING NIL-B-17L43G 8LT 7999706 0442086 4 W MIL-B-17143F 20 August 1981 r - MILITARY SPECIFICATION BiJT“, INSIGNIA (ANCHOR, PLASTIC, BLACK) This specification is approved for use by the Navy Clothing and Textile Research Facility, Department of the Navy, and is avai
2、lable for use by all Departments and Agencies of the Department of Defense. 1. SCOPE . This specification covers the requirements for plastic molded sewing lo1 Fi? o e type buttons. 1.2 Classification. The buttons shall be of one type only and shall be procured in the following classes: Class 1 - 25
3、 line Class 2 - 50 line 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handboks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are th
4、ose listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be
5、 addressed to: Officer in Charge, Navy Clothing and Textile Research Facility, 21 Strathmore Road, Natick, EIA 01760-2490 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or bv letter, AMSC N/A FSC 8455 DISTRIBUTIC distrib
6、ution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-L7L43G 84 777470b 0442087 b W MIL-B-17143G SPECIFICATIONS FEDERAL NN-P-71 - Pallet, Material Handling, Wood, Stringer PPP-B-566 - Boxes, Folding, Paperboard PPP-B-665 PPP-B-676
7、 - Boxes, Setup Construction, 2 way and 4 Way (Partial) - Boxes, Paperboard, Metal Edged and Components MILITARY MIL-P-15011 - Pallet, Material Handling, Wood, Post Construction, 4 Way Entry MIL-B-17757 - Boxes, Shipping, Fiberboard (Modular Sizes) STANDARDS MIL I TARY MIL-s-10 5 - Sampling Procedur
8、es and Tables for Inspection by MIL-STD-129 MIL-STD-147 - Palletized unit Loads At t r ibutes - Marking for Shipment and Storage ( Copies of the Federal Information Processing Standards (FIPS) are available to Department of Defense activities from the Commanding Officer, Naval publications and Forms
9、 Center, 5801 Tabor Avenue, Philadelphia, PA 19120-5099. Others must request copies of FIPS from National Technical Information Service, 5285 Port Royal Road, Springfield, VA 22161-2171.) 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings
10、, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation (see 6.2). LAWS AND REGULATIONS U.S. POS!C?G SERVICE MANUAL (Copies of the manual may be obtained from the Superintendent of Documents, U.S.
11、 Government Printing Office, Washington, D.C. 20402-0001) 2.2 Non-Governmen. The following document(s) form a part of this specification to the extent specified herein. unless otherwise specified, the issue of documents which are DOD adopted shall be those listed in the issue of the DODISS cited in
12、the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issue of the documents cited in the solicitation. 2 1 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- -. - i MIL-B-L7L43G 84 9999906 O44208
13、8 8 U MIL-B-17143G NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Applications for copies should be addressed to the American Trucking Association, ATTN: Traffic Department, 1616 P Street, N.W., Washington, DC I 20036-1404). UNIFORM CLASSIFICATION COMM
14、ITTEE, AGENT Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Cormnittee, Room 1106, 222 South Riverside Plaza, Chicago, Illinois 60606-5808). THE COLOR ASSOCIATION OF THE UNITED STATES Department of Defense Standard Shades for Buttons (Applica
15、tion for copies of color cards should be addressed to the Color 2.3 Order of precedence. Association of the U.S., 343 Lexington Avenue, New York, NY 10016). this document and the references cited herein (except for related associated detail specifications, specification sheets, or MS standards), the
16、 text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. In the event of a conflict between the textof- 3. REQUIREMENTS Samples, when furnished, are solely for guidance and (see 6.3). Variati
17、ons from this specification may appear in the sample in which case this specification shall govern. unit(s) for first article inspection and approval (see 4.3 and 6.2). 3.2 First article. When specified, the contractor shall furnish sample 3.3 Material. 3.3.1 Molding compound. The molding plastic ma
18、terial used for producing the specified bu ttons, shall be of a melamine fomaldehyde compound of a quality suitable to meet the requirements specified herein (see 4.4.1). The buttons shall match DOD Button Shade Black BT, cable No. 62001 cited ln the Department of Defense Standard for Button Shades
19、(see 2.2), and shall have a glossy finish. The sewing holes shall be clean of excess flash and other workmanship defects. 3,4 Color and Finish. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-L7L43G 84 W 999990b 0442089 T W 5 MILrB-17143G 3.5
20、 Performance requirements 3.5.1 Resistance to chalking. The finished buttons shall show no perceptible evidence of chalking or more than a slight loss of luster when tested as specified in 4.5. 3.5.2 Compressive strength. The minimum compressive strength of the finished buttons shall be 400 pounds w
21、hen tested as specified in 4.5. 3.6 Design. The buttons shall be a four hole sewing type, conforming to the design as shown in Figure 1, The anchor for the buttons shall be countersunk on the face of the buttons. 3.6.1 Finished dimensions. The finished dimensions of the buttons shall be as shown on
22、Figure 1. 3.7 Workmanshi . The finished buttons shall conform to the quality The occurrence of defects shall not exceed establishe + y t is specification. the applicable acceptable quality levels. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the _.
23、 contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for performance
24、 of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements.
25、4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality program, The absence of any inspection requirements in the specification shall not
26、 relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirement
27、s, however, this does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1.2 Certificate of compliance. Where certificates of compliance are submitted, the Government reserves the right to check t
28、est such items to determine the validity of the certification. . 4.2 Classification of inspection. The inspection requirements specified herein are classitied as follows: 1. 2. First article inspection (see 4.3). Quality conformance inspection (see 4.4). .- 4 Provided by IHSNot for ResaleNo reproduc
29、tion or networking permitted without license from IHS-,-,-MIL-B-17L43G 4 9949906 0442090 b W MIGEb17143G 4.3 First article inspection. When required, the first article submitted in accordance with 3 .2, shall be inspected as specified in 4,4.2 for compliance with design, construction, workmanship, a
30、ppearance and dimensional 4.4 Quality conformance inspection. Sampling for inspection shall be requirements. performed in accordance with MIL-STD-105, except where otherwise indicated, 4.4.1 Component and material inspection. In accordance with 4.1 above, comnents and materials shall be tested in ac
31、cordance with all the reqhrements of referenced specifications, drawings, and standards unless otherwise excluded, amended, modified, or qualified in this specification or applicable procurement documents. In addition, the contractor shall furnish a certificate of compliance for the molding compound
32、 requirements (see 3.3.1). 4.4.2 Examination of the end item. Examination of the end item shall be in accordance with 4 .4.2.1 through 4.4.2.2. The applicable inspection levels and acceptable quality levels (AQLs) shall be as indicated in 4.4.2.3. The lot size shall be expressed in units of gross of
33、 buttons. The sample unit shall be one finished button, 4.4.2.1 Visual examination. The buttons shall be examined for defects in color, design, material, workmanship, and marking in accordance with the list below: ._ Examine Defects Design Color and Finish Workmanship Varies from design of approved
34、sample. Anchor design not countersunk on face of button. Anchor design not centered on button. Other than four holes. Color other than specified, i.e., does not match the Not a glossy finish throughout. Mottled, stained spotted, or not clean. Pitted, porous, or any rough surface. specified shade. Ni
35、cked, gouged, chipped, cracked, scratched, dented, disfigured, or malformed. Any fin, sharp edge, chip, flash, or evidence of foreign matter on top and bottom surfaces, .around periphery, or in any sewing hole. Holes not uniformly spaced. Any hole not in specified location. Warped, twisted, or disto
36、rted. 4.4.2.2 Dimensional Examination. Any measurement deviating from nominal dimensions and tolerances specified on Figure 1, shall be scored as a defect. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4.2.3 Inspection levels and acceptable qua
37、lity levels (AQLs) . The inspection levels and acceptable quality levels, expressed in defects per 100 units for visual and dimensional examination, shall be as follows: inspection level AQLs For defects applicable to 4.4.2.1 I 4.0 For defects applicable to 4.4.2.2 s-1 4.0 4.4.3 Examination of packa
38、ging requirements. An examination shall be made to determine that packaging, packing and marking complies with Section 5 requirements of this specification. Defects shall be scored in accordance with the list below. The sample unit shall be one shipping container fully prepared for delivery. Defects
39、 of closure listed below shall be examined on shipping containers fully prepared for delivery. The lot size shall be the number of shipping containers in the end item inspection lot. The inspection level shall be S-2 and the acceptable quality level shall be 2.5 defects per hundred units. Examine Ma
40、rking (interior and exterior) Material workmanship Defects Omitted, incorrect, illegible, of improper size, location, sequence, or method of application. Any component missing, damaged or not as specified. Inadequate application of components, such as: incomplete closure of container flaps, improper
41、 taping, loose strapping, inadequate stapling. Distorted or bulging containers. Content Number of buttons per unit package is more Number of unit packages per-shipping or less than specified. i/ . container is more or less than specified, - 1/ For this defect, one unit package shall be examined from
42、 each shipping container in the sample. 4.5 Testing of the end item. The end item shall be tested for the characteristics specified in Table I. The minimum performance requirement specified in Section 3 apply to the average of the determinations made on a sample unit for test purposes as specified i
43、n the applicable test method. All test reports shall contain the individual values utilized in expressing the final results. The lot size shall be expressed in units of one, gross of buttons. The sample size shall be as follows: The sample unit shall be one dozen (12) buttons. 6 Provided by IHSNot f
44、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-171113G 4 999770b 04112072 T MIL-B-17143G Lot size (gross) 800 or less 801 up to and including 22,000 22,001 and over Sample size (dozen) 2 3 5 The lot shall be unacceptable if one or more sample units fail to meet a
45、ny of the test requirements specified, Table I End Item Tests Requirements applicable Number of Results reported Require- to determin- as ment Sam- Lot tions per Pass Numerically para- Test ple aver- sample or to Characteristic graph methc unit age unit Fail nearest Resistance 3,5.1 4.5.1 X - 1 X to
46、 chalking Compressive 3.5.2 4.5.2 X 5 strength - .- pound - 4.5.1 Resistance to chalking. The button shall be immersed in a boiling solution of 0.8 percent by weight of sulfuric acid for ten minutes, immediately wiped dry and examined for chalking. Chalking is evidenced by a dry, chalk like appearan
47、ce or deposit on the surface of the button. Determination shall be made by holding the button at arms length and examining it under a stong white light. 4.5.2 Compressive strength. Compressive strength of the buttons shall be conducted using apparatus which permits gradual application of the load ei
48、ther by a manual or automatic hydraulic mechanism. The load indicating mechanism (gauge), shall be capable of showing the total compressive load carried by the button; however, the gauge shall be so calibrated that the load deflection at the point of button failure is at least one-third of the total
49、 capacity of the gauge. Buttons shall be placed face down one at a time, between flat blocks of steel, and tested to failure. Failure is defined as the first sign of a crack in the button visible to the naked eye (a visble crack in the button will usually be found at the first audible sound of cracking). The load in pounds which produces this failure shall be taken as the compressive strength of the button. Extreme care shall be taken to apply the
