DLA MIL-DTL-3903 F-2013 WIRE ROPE ASSEMBLIES SINGLE LEG (SLING TYPE).pdf
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1、Comments, suggestions, or questions on this document should be addressed to Defense Logistics Agency Aviation - VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616, or e-mailed to STDZNMGTdla.mil. Since contact information can change, you may want to verify the currency of this address inform
2、ation using the ASSIST database at https:/assist.dla.mil/. AMSC N/A FSC 4010 INCH-POUND MIL-DTL-3903F 17 May 2013 SUPERSEDING MIL-DTL-3903E 27 October 2009 DETAIL SPECIFICATION WIRE ROPE ASSEMBLIES, SINGLE LEG, (SLING TYPE) Reactivated after 27 October 2009 and may be used for new and existing desig
3、ns and acquisitions. This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers wire rope assemblies, single leg with plain end loops. 1.2 Classification. The wire rope assemblies are of the following types and c
4、lasses, as specified (see 6.2): Type I - Hand splice, wire rope, improved plow steel, fiber core Type II - Mechanical splice, wire rope, improved plow steel, independent wire rope core Class 1 - 6 by 19 (RR-W-410, Type I, Class 2, assemblies with wire rope diameter of 1-1/8 inch and under) Class 2 -
5、 6 by 37 (RR-W-410, Type I, Class 3, assemblies with wire rope diameter of 1-1/4 inch and over) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHSMIL-DTL-3903F 2 1.3 Part or identifying number (PIN). The PIN to be used for wire rope assemblies acquired to t
6、his specification is created as follows: M 3903 - X X Class: A - 1 - 6 X 19 B - 2 - 6 X 37 Type: 1 - I - Hand splice, wire rope, improved plow steel, fiber core 2 - II - Mechanical splice, wire rope, improved plow steel, independent wire rope core Specification number Denotes military specification
7、2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has be
8、en made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of the documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications and standards. The following s
9、pecifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL SPECIFICATION RR-W-410 - Wire Rope and Strand COMMERCIAL ITEM DESCRIPTION A-A-52540 - Fittings,
10、Wire Rope DEPARTMENT OF DEFENSE SPECIFICATION MIL-DTL-13220 - Hook, Sliding Choker (for use with Wire Rope) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHSMIL-DTL-3903F 3 DEPARTMENT OF DEFENSE STANDARDS MIL-STD-130 - Identification Marking of U.S. Milita
11、ry Property MIL-STD-889 - Dissimilar Metals (Copies of these documents are available online at https:/assist.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-government publications. The following documents form a part o
12、f this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOCIETY FOR QUALITY (ASQ) ASQ Z1.4 - Sampling Procedures and Tables for Inspection by Attributes (Copies of this document are available
13、online at http:/www.asq.org/ or from American Society of Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203.) ASTM INTERNATIONAL ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel (Copies of this document are available online at http:/www.astm.org/ or f
14、rom ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.) SAE INTERNATIONAL SAE AMS-QQ-P-416 - Plating, Cadmium (Electrodeposited) (Copies of this document is available online at http:/www.sae.org/ or from SAE International, 400 Commonwealth Drive, Warrendale,
15、PA 15096-0001) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regula
16、tions unless a specific exemption has been obtained. Provided by IHSNot for Resale-,-,-MIL-DTL-3903F 4 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2 and 6.3. 3.2 Description. Wire rope assemblies (hereinaft
17、er called “slings“) shall be as shown in figure 1 and specified herein. 3.2.1 Characteristics. Each sling shall be fabricated from one continuous piece of new and unused wire rope with a loop at each end, secured with either a hand or swage splice, as shown in figure 1. 3.3 Material. Materials shall
18、 be as specified herein. Materials not definitely specified shall be selected by the contractor and shall be new and unused and subject to all provisions of this document. 3.3.1 Material deterioration and control. The slings shall be fabricated from compatible materials, inherently corrosion and det
19、erioration resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable storage and operating environment to which the item may be exposed. 3.3.1.1 Dissimilar metals. Dissimilar metals shall not be used in intima
20、te contact with each other unless protector against galvanic corrosion. Dissimilar metals and methods of protection are defined and detailed in MIL-STD-889. 3.3.1.2 Identification of materials and finishes. The contractor shall identify the specific material, material finish or treatment for use wit
21、h components and sub-components, and shall make information available, upon request, to the contracting officer or designated representative. 3.3.2 Wire rope. Wire rope shall be of improved plow steel and conform to RR-W-410, type I, class 2 or class 3 as applicable, for preformed, regular lay, and
22、shall be the size and finish specified in table I. TABLE I. Wire rope sizes and finish for types I and II slings. Item Wire rope diameter Finish Types I and II Class 1 3/8 through 1-1/8 inches Uncoated or galvanized as specified (see 3.7) Class 2 1-1/4 through 2 inches Uncoated or galvanized as spec
23、ified (see 3.7) Provided by IHSNot for Resale-,-,-MIL-DTL-3903F 5 3.4 Design. 3.4.1 Type I. Type I slings shall conform to table II and shall consist of one continuous length of steel wire rope as specified in 3.3.2 with hand spliced eye loops on each end as shown in figure 1. Splice efficiencyPerce
24、nt8886848280808080808080808080Minimumbreaking strengthTons, galvanized4.477.6611.6516.2321.4527.8435.0340.9649.3658.5468.5879.1890.58102.86Tons, uncoated4.968.5112.9718.0523.8330.9338.9245.5154.8365.0576.2088.06100.65113.95ProofloadTons, galvanized1.983.205.007.009.2012.0015.2017.6022.0026.0028.0034
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