1、INCH-POUND A-A-59343 19 JULY 1999 SUPERSEDING 19 July 1983 MIL-S-3905D COMMERCIAL ITEM DESCRIPTION SLING, PALLET The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) covers three type
2、s of wire rope and steel pipe slings used to lift loaded cargo pallets. 2. CLASSIFICATION. Pallet slings shall be the following types. The type to be furnished shall be as specified (see 7.2(b). Type I - 2,500 pounds rated capacity (with cargo net) Type II - 4,000 pounds rated capacity Type Ill - 7,
3、500 pounds rated capacity 3. SALIENT CHARACTERISTICS 3.1 General reauirements. The pallet slings shall be built in accordance with the requirements herein and the drawings shown in figures 1 through 3. 3.2 Components. The pallet sling shall include, as a minimum, the ponents: 3.2.1 Liftinn ring. The
4、 lifting ring shall be forged or welded from low alloy steel in accordance with American Society for Testing and Materials (ASTM) A322, “Steel Bars, Alloy, Standard Grades“, or A304, “Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements“, and be heat-treated as required to me
5、et strength requirements shown in table I. Unless otherwise specified (see 7.2(c), the lifting ring shall be zinc coated to meet ASTM A153, “Zinc Coating (Hot-Dip) on Iron and Steel Hardware“. When specified (see 7.2(d), an oblong master or sling lifting link shall be substituted for the lifting rin
6、g provided it meets size and strength requirements shown in table 1. Beneficial comments, recommendations, additions, deletions, clarifications, etc, and any other data which may improve this document should be sent to: Defense Supply Center Richmond (DSCR), AITN: DSCR-VBD, 8000 Jefferson Davis High
7、way, Richmond, VA 23297-5610. AMSC NIA FSC 3940 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - A-A-59343 W 7038054 0033045 b23 A-A-59343 3.2.2 Sling: lem. The sling
8、 legs shall have 6 x 19 independent wire rope core (IWRC), galvanized, improved plow steel wire rope in accordance with American Petroleum Institute (API) 9A, “Specification for Wire Rope“. Type I and II sling legs shall be 1/2-inch diameter. Type III sling legs shall be 3/4-inch diameter. 3.2.2.1 F
9、lemish eye splice. The thimble end loops of the sling leg shall be formed with standard Flemish eye mechanical splices and swaged with one-piece stainless steel ferrules (swaging sleeves) that completely cover the wire rope strand ends. 3.2.2.2 Thimbles. Thimbles shall be the heavy wire rope thimble
10、s shown in figure 4 for the sling leg wire rope diameter provided. The thimbles shall be zinc coated in accordance with ASTM A153, “Zinc Coating (Hot-Dip) on Iron and Steel Hardware“. 3.2.3 Spreader bars. Spreader bars shall be straight grained type II hardwood in accordance with National Hardwood L
11、umber Association (“LA) Rules for Measurement and Inspection of Hardwood and Cypress and be surfaced on four sides. Wood shall be free from defects other than small surface checks (perceptible openings not more than 4 inches long), slight cross grain (slope of grain not more than 1 inch in a length
12、of 15 inches), and pin knots not exceeding 1/2-inch diameter. Wood shall be uniformly dried to a moisture content between 12 and 19 percent. 3.2.4 Lifting bars. Lifting bars shall be galvanized steel pipe of type S, grade A, weight class XXS; or type F, weight class XXS in accordance with ASTM A53,
13、“Pipe, Steel, Black and Hot- Dipped, Zinc-Coated, Welded and Seamless“. Type I and II lifting bars shall have a nominal diameter of 1-112 inches. Type Ili lifting bars shall have a nominal diameter of 2 inches. 3.2.5 m. The nets for the type I sling shall consist of a minimum of 7 vertical and 6 hor
14、izontal nylon ropes spaced 8 fl by 11 I1 inches apart to provide 12 I1 inches of slack in the horizontal dimension. One strand of the horizontal rope shall be passed under one strand of the vertical rope and evenly relayed to form a firm interlocking weave. This shall be repeated at each intersectio
15、n. Each horizontal rope shall have a 2-inch diameter eye splice at each end for looping over the sling legs. The bottom ends of the vertical ropes shall be fastened to the bottom horizontal rope and spliced into its own part with not fewer than three full tucks. The top end of each vertical rope sha
16、ll terminate in a 6-inch diameter eye splice for looping over the spreader bars. The rope shall be a 3/4-inch circumference 3-strand nylon rope conforming to Cordage Institute (CI) publication CI 1303, “Nylon Fiber Rope 3-Strand and 8-Strand Constructions 0-7 Splicing Instructions“. 3.2.6 Wire rope
17、clamp. Bolts and nuts shall be the markings shall not interfere with the serviceability of the shackle. The shackle body shall be forged from carbon steel in accordance with ASTM A576, “Standard Specification for Special Quality, Hot-Wrought, Carbon Steel Bars.” The screw pin shall be forged from al
18、loy steel in accordance with ASTM A322. Both the shackle body and the screw pin shall be zinc coated in accordance with ASTM A153. 3.2.8 Miscellaneous hardware. Hardware (e.g. bolts, nuts, washers) shall be sized to meet the design factor of 5 and be corrosion resistant or be protected in accordance
19、 with their individual specifications to prevent deterioration. Where no protection system is specified, use zinc coating in accordance with ASTM A153 (see table II). 3.3 Performance. Unless otherwise specified (see 7.2(e), the pallet sling shall meet the performance requirements shown in table I wh
20、en tested in accordance with section 5.3 through 5.3.4. 3.4 Nameplate. The pallet sling shall be permanently and legibly marked with the manufacturers name or trademark and the safe working load (SWL). 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offeror/contractor is encouraged to use re
21、covered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.2 Environmental urotection. The item shall meet all applicable Environmental Protection Agency PA) restrictions in effect on the date of the contract. These regulat
22、ions apply to the 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59343 = 9028054 0022047 4T4 W A-A-59343 emission of materials hazardous to the environmental or the users health and shall be adhered to during the manufacturing, service, transp
23、ortation, storage, and operatioduse of the item. 4.3 Safety and health requirements. The manufacturer shall ensure that the pallet sling and all components used shall be in compliance with Occupational Safety and Health Administration (OSHA) 29 CFR PART 1910.184, “Slings“, and 29 CFR PART 1926.251,
24、“Rigging Equipment for Material Handling“. If a conflict arises between this document and OSHA standards, the OSHA standards shall apply. 5. QUALITY ASSURANCE 5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description; conform to the man
25、ufacturers specifications, standards, and quality assurance practices; and be the same product offered for sale on the commercial market. The government reserves the right to require proof of such conformance. 5.2 Inspection. The pallet sling shall be inspected to determine compliance with all requi
26、rements specified in this CID. 5.3 Testing. Unless otherwise specified (see 7.2(f), the pallet sling shall be tested in accordance with sections 5.3.1 through 5.3.4. 5.3.1 Sling leg proof test. Each sling leg shall be tested by lifting and lowering the proof load shown in table I five times, holding
27、 the suspended load from 2 to 5 minutes during each lift. At the conclusion of the test, the sling leg shall be carefully examined in accordance with OSHA 29 CFR PART 1910.184. Elongation, deformation, rupture or failure of a component, or slippage of a swaging sleeve shall be cause for rejection. 5
28、.3.2 Lifting ring proof test. The lifting ring shall be tested to 4 times the individual leg proof load shown in table I and shall show no signs of distortion or damage. 5.3.3 Pallet sling test. The pallet sling assembly shall be tested by lifting and lowering twice its rated load capacity, holding
29、the suspended load from 2 to 10 minutes. Elongation, deformation, rupture or failure of a component, or slippage of a swaging sleeve shall be cause for rejection. 5.3.4 Ultimate strength. The manufacturer shall certify that individual components when tested to destruction will not fail at loads less
30、 than 5 times the sling leg proof load shown in table I. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-59343 9 9018054 0011048 330 .I A-A-59343 3 5.4 Acceptance. Unless otherwise specified (see 7.2(g), preliminary and final acceptance tests
31、shall be conducted at the manufacturers site. The results of the performance tests shall be compared with the performance requirements of section 3.3. Failure of the pallet sling to meet the performance requirements of section 3.3 shall be cause for rejection. The manufacturer shall provide certific
32、ation with each pallet sling that it meets proof load requirements and that components meet the minimum design factor of 5. 6. PACKAGING 6.1 Preservation, packing, and marking. For acquisition purposes, the pallet sling supplied shall be preserved, packed, and marked as specified in the acquisition
33、order (see 7.2(h). 7. NOTES 7.1 Sources of documents 7.1.1 ASTM standards. Copies o ASTM standards may be obtained from American Society for Testing Data. Acquisition documents must specify the following: a. b. d. e. f. g. h. C. Title, number, and date of this document Type of pallet sling required
34、(see 2) Lifting ring, if different (see 3.2.1) Oblong master or sling lifting ring, if required (see 3.2.1) Performance, if different (see 3.3) resting, if different (see 5.3) Acceptance, if different (see 5.4) Packaging requirements (see 6.1) 7.3 Part identification number (PIN). The following part
35、 identification numbering system is for government purposes and does not constitute a requirement for the contractor. AA59343 - x Type: 1-Type1 2-TypeII 3 - Type III CIDnumber 7.4 Materials. The list of materials is shown in table II. MILITARY INTERESTS: Custodians: Air Force - 99 Navy - SH Army - A
36、T Reviewers: Air Force - 84 Navy - MC, SA, YD2 Army - AV, MT CIVIL AGENCY COORDINATING ACTIVITY: GSA - 7FxE Preparing activity: DLA - GS (Project 3940-00 10) 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59343 A-A-59343 rr O FIGURE 1. Type I,
37、 2,500-pound capacity pallet sling with cargo net. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-59343 9038054 0031053 925 A-A-59343 FIGURE 2. Type II. 4,00O-ound capacity pallet sling. 8 Provided by IHSNot for ResaleNo reproduction or netwo
38、rking permitted without license from IHS-,-,-A-A-59343 9018054 0011052 8b1 m A-A-59343 FIGURE 3. Type III, 7,500-pound capacity pallet sling. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-59343 inch 112 314 A-A-593Li3 9018054 0011053 7T8 3-5
39、18 2-314 1-112 9/16 13/16 5 3-314 2 13/16 1-114 l Nominal size, inches 1 1 - 118 i- D, inches L, inches W, inches 1-118 3-3/16 to 3-5/14 1-1 1/16 1-1/4 3-112 to 3-518 1 - 13/16 F E 6 - *. i- FIGURE 5. Dee screw pin shackle dimensions. 10 Provided by IHSNot for ResaleNo reproduction or networking per
40、mitted without license from IHS-,-,-A-A-59343 = 9018054 0011054 b34 = Specification Item 1 Quantity required 4 A-A-59343 4 4 4 Wire rope, 6 x 19 IWRC, improved plow steel, drawn galvanized wire: types I and II are 1/2-inch; type III is 3/4-inch TABLE II. List of materials. 5 6 7 number Type Type Typ
41、e IIln/rn 1 1 1 Lifting ring (see table I) Par. 3.2.1 4 4 O Shackle, screw pin, 1-inch Dee (see figure5) Par. 3.2.7 2 O 2 Spreader bar, wood, 3 x 3 inches “LA 3 I8l8l8 Bolt, 1/4-20 UNC-2A x 3 1/2 inches long, hex head, zinc-plated Hex nut, plain, 1/4-20 UNC-2B, zinc- plated Washer, flat, 5/16-inch i
42、nside diameter, zinc-plated Description ASME B 18.2. l2 ASME B18.2.23 ASME B18.22.14 Lifting bar - galvanized pipe, 1112-inch diameter, type S, grade A, weight class XXS; or tvue F. weight class XXS 14 15 Thimble, heavy, zinc-plated (see figure 4) O O 2 Lifting bar - galvanized pipe, 2-inch ASTM A53
43、 diameter, type S, grade A, weight class XXS; or type F, weight class XXS O O 4 Shackle, screw pin, 1-1/8-inch Dee (see Par. 3.2.7 figure 5) Ferrule, stainless steel Par. 3.2.2.2 IS0 8793l API 9A Wire rope clamp I Par. 3.2.6 I Rope net, nylon, 3/4-inch circumference Spacer, ANSI 6061 aluminum rod, 1 1/2- inch diameter with 3/8-inch hole, thickness shall be 5/8 inch for type I and 3/4 inch for CI 1303 ASTM 221 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
