1、MIL-Y-40628D 9 February 1988 SUPERSEDING MIL-Y-40628C 17 October 1980 beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Belvoir Research, Development, and Engineering Center, ATTN: STRBE-TSE, Fort
2、 Belvoir, VA 22060-5606 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. USA MILITARY S PE GIF ICAT ION YOKE, TOWING AND LIFTING: FOR DRUMS, FABRIC, COLLAPSIBLE This specification is approved for use by all D
3、epartmen-s and Agencies of the Department of Defense. 1. SCOPE 1.2 Specification part number. The specification part number in this yoke is M40628. 1.1 Scope. This specification covers a yoke for ground towing and airlifting of filled collapsible fabric drums. 2. APPLICABLE DOCUMENTS I 2.1 Governmen
4、t documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification 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 Specificati
5、ons and Standards (DoDISS) and supplement thereto, cited in the solicitation. a AMSC N/A FSC 8110 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS PAGES; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
6、IHS-,-,-MIL-Y-40628D SPEC IF I CAT IONS FEDERAL QQ-S- 7 8 1 PPP-B-6 O 1 PPP-B-621 PPP-T-97 MILITARY MIL-P-116 MIL-1-6868 STANDARDS MILITARY MIL-STD-22 MIL-STD-105 MIL-STD-129 MIL-STD-130 MIL-STD-889 MIL-STD-1186 MIL-STD-6866 - Strapping, Steel, and Seals. - Boxes, Wood, Cleated-Plywood. - Boxes, Woo
7、d, Nailed and Lock-Corner. - Tape, Pressure-Sensitive Adhesive Filament Reinforced. - Preservation, Methods of. - Inspection Process, Magnetic Particle. Welded Joint Design. Sampling Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage. Identification Marking of US Mi
8、litary Property. Dissimilar Metals. Cushioning, Anchoring, Bracing, Blocking, and Waterproofing; with Appropriate Test Method s. Inspection, Liquid Penetrant. 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a par
9、t of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS TA1 32 16E 7991 - Yoke, Towing and Lifting: for Drums, Fabric, Collapsible. (Copies of specifications, standards, and drawings required by
10、 contractors in connection with specific functions should be obtained from the procuring activity or as directed by by the contracting activity.) 2.2 Other publications. The following document(s) form a part of this sDecification to the extent specified herein. Unless otherwise specified, the iisues
11、 of the documents which-are DOD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. issues of documents not listed in the DoDISS shall be the issue of the non-Government documents which is current on the.date of the solicitation. Unless otherwise specified, the 2
12、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Y-4062D 1 I 977970b 02Li326 7 = I l l l I I I I I 1 I l II MIL-Y-40628D 0 AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code, Section IX, Welding Qualifications. (Applic
13、ation for copies should be addressed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D 3951 - Standard Practice for Commercial Packaging. Ii (Application for copies should be addressed to the American
14、Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN WELDING SOCIETY (AWS) -1 D1.l - Structural Welding Code, Section 5, Qualification. (Application for copies should be addressed to the American Welding Society, 2501 North Nest Seventh Street, Miami, FL 33125.) SOC
15、IETY OF AUTOEiOTIVE ENGINEERS (SAE) 5429 - Mechanical and Material Requirements for Externally Threaded Fasteners. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15086.) (Non-Government standards and other publications are n
16、ormally available from the organizations which prepare or which distribute the documents. documents also may be available in or through libraries or other informational services. 1 These 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cit
17、ed herein, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3, REQUIREMENTS 3.1 Description. The towing and lifting yoke shall be in accordance with Top Assembl
18、y TA1321637991 and as specified herein. 3.1.1 Drawings. The drawings forming a part of this specification are end product drawings. permissible without prior approval of the contracting officer. could cumulatively result in incorrect fits, the contractor shall provide tolerances within those prescri
19、bed on drawings to insure correct fit, assembly, No deviation from the prescribed dimensions or tolrances is Where tolerances and operation of the yoke. Any data (e.g., shop drawings, layouts, flow sheets, - 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
20、IHS-,-,- _I_ MIL-Y-4062D 1 m 9979906 0284327 9 MIL-Y-40628D processing procedures, etc.) prepared by the contractor or obtained from a to support fabrication and manufacture of the production item shall be made available, upon request, for inspection by the contracting officer or his designated repr
21、esentative. 3.2 First article. Unless otherwise specified (see 6.21, a sample shall be subjected to first article inspection (see 4.3 and 6.3). deviations of yokes from the approved first article during production will be subject to the approval of the contracting officer. Approval of the first arti
22、cle will not relieve the contractor of his obligation to furnish yokes conforming to this specification. Any changes or 3.3 Material. Material shall be as specified herein and on the applicable 3 drawings. Materials not specified shall be selected by the contractor and shall be subject to all provis
23、ions of this specification. 5 i 3.3.1 Material deterioration prevention and control. The yoke shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the
24、applicable operating and storage environments to which the yoke may be exposed. 3.3.2 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. metals and methods of protection are defined and detailed in MIL-STD-889. Diss
25、imilar 3.3.3 Identification of materials and finishes. The contractor shall identify the specific material, material finish or treatment for use with component and subcomponent, and shall make information available upon request to the contracting officer or designated representative. 3.3.4 Recovered
26、 materials. For the purpose of this requirement, recovered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished from virgin raw materials. The components, pieces and parts incorporated in the yoke may be newly
27、fabricated from recovered materials to the maximum extent practicable, provided the yoke produced meets all other requirements of this specification. Used, rebuilt or remanufactured components, pieces and parts shall not be incorporated in the yoke. 3.4 Weight. than 75 pounds. The weight of the comp
28、letely assembled yoke shall be not more 3.5 Proof loads. The completed yoke shall show no permanent deformation when under a tension load of not less than 9,000 pounds or a compression load of not less than 4,000 pounds as specified in figure 1. 3.6 Identification markings. The yoke shall be identif
29、ied in accordance with MIL-STD-130. The markings shall be applied to the yoke as shown on the drawings. 4 -_ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Y-40628D 83, 7O6 028L)328 O m MIL-Y -406 2 8D 3.7 Treatment and painting. be cleaned, tre
30、ated and painted in accordance with referenced drawings. otherwise specified (see 6.21, the finish paint shall be lusterless. The portions of the yoke normally painted shall Unless I, i 3.8 Workmanship. The yoke shall be clean and shall be free from grease, grit, dirt, oil, and any other foreign mat
31、erials that could harmfully affect the hand- ling of, or could impair serviceability of, the yoke. Holes shall be accurately drilled. 3.8.1 Metal fabrication. Metal used in fabrication shall be free from kinks and sharp bends. will not cause damage to the material, cutting, using tips suitable for t
32、he thickness of the steel, may be employed instead of shearing and sawing. to insure uniformity of size and shape. heating. be free of burrs, sharp edges, and corners, except when sharp edges or corners are necessarily required. The straightening of material shall be done by methods that Corners sha
33、ll be square and true. Flame- . All bends shall be made with controlled means Precaution shall be taken to avoid over- 1 Heated steel shall be allowed to cool slowly. External surfaces shall 3.8.2 Welding. The surfaces of parts to be welded shall be free from rust, scale, paint, grease, mill scale t
34、hat can be removed by chipping and wire brushing, and other foreign matter. manent deformation or failure when the parts connected by the welds are subjected to proof and service loading. cation techniques shall be as required to enable the yoke to conform to the examination and test requirements sp
35、ecified in section 4. accordance with MIL-STD-22. Welds shall transmit stress without per- Parent materials, weld filler metals, and fabri- Joints will be in Weld procedures shall be in accordance with AWS D.1. 3.8.3 Welders. Before assigning welder to manual work covered by this speci- fication, th
36、e contractor shall obtain certification that the welder has passed qualification tests as prescribed by either of the following listed codes for the type of welding operations to be performed and that such qualification is effective as defined by the particular code: AWS DI.1, Structural Welding Cod
37、e, Section 5, Qualification. ACME Boiler and Pressure Vessel Code, Section IX, Welding Qualifications. Certification shall be made available for review by the contracting officer or designated representative. qualify welders for “all position welding“. for determining that automatic welding equipmen
38、t operators are capable of producing quality welds in accordance with AWS or ASME codes. Contractors who make only horizontal welds need not The contractor shall be responsible 3.8.4 Bolted connections. Boltholes shall be accurately formed and shall have the burrs removed. necessary. Washers or lock
39、washers shall be provided where Matching thread areas securing bolts not less than grade 5 conforming 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Y-40628D to SAE 5429 or capscrews shall be of sufficient strength to withstand the tensile str
40、ength of the bolt. All fasteners shall be correctly torqued and shall have full thread engagement. Bolts shall protrude not more than 2 full threads. 4, QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is res
41、ponsible for the performance of all inspection requirements as specified herein. in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements speci- fied herein, unless disapproved by the Government. The Governm
42、ent reserves the right 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 specified 4.1.1 Responsibility for compliance. All items must meet all requireme
43、nts of The inspection set forth in this specification shall become a sections 3 and 5. part of the contractors overall inspection system or quality program. absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all product
44、s 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 material. The 4.1
45、.2 Component and material inspection. The contractor is responsible for insuring that components and materials used are manufactured, examined, and tested in accordance with referenced specifications and standards, as applicable. 4.2 Classification of inspections. The inspection requirements specifi
46、ed herein are classified as follows: a. bo C. First article inspection (see 4.3). Quality conformance inspection (see 4.4). Inspection of packaging (see 4.6). 4.3 First article. 4.3.1 First article examination. The first article shall be examined as specified in 4.5.1, rejection. Presence of one or
47、more defects shall be cause for 4.3.2 First article tests. The first article units shall be subjected to tests in 4.5.2.1 through 4.5.2,2. Failure of any test shall be cause for rejection. 4.4 Quality conformance inspection. 4.4.1 Sampling. Sampling for examiriation and test shall be in accordance w
48、ith MIL-STD-105. 6 c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-Y-qOb28D 81 W 77777Ob 0289330 7 E MIL-Y-40628D 4.4.2 Examination. Samples selected in accordance with 4.4.1 shall be examined for the defects specified in 4.5.1. AQL shall be 1
49、.0. 4.4.3 Tests. Each yoke shall be tested as specified in 4.5.2. Failure of either test shall be cause for rejection. 4.5 Inspection procedure. 4.5.1 Examination. The yoke shall be examined as specified herein for the following defects: * Major 101 . 102. 103 104. 105. 106. 107 . 108 109 . 110. 111. 112. 113. 114. 115. 116. Material not as specified. Materials not resistant to corrosion and deterioration, or treated to be resistant: to corrosion an
