1、MIL-S-21L/33A 53 7799906 0103227 O MIL -5-2 1433A(SHIPS) 2lJulv 1959 SUPERSEDING Mn-S-S1433(SHIPS) 26 November 1958 MILITARY SPECIFICATION SOCKETS, TURNBUCKLZS, AND TURNBUCKLE ASSEMBLIES- WIRE ROPE, WEDGE, AND THREADED LOCK SLEEVE 1. SCOPE 1.1 Scope. - -This specification covers sockets, turnbuckles
2、, and turnbuckle assemblies for making 1.2 Classification. - Sockets, turnbuckles and turnbuckle assemblies shall be of the following types, up end connections in wire rope installations as alternates for other wire rope connections (see 6.1). classes, and forms as specified (see 6. 2): Type I - Wir
3、e rope sockets. Class A - Open (standard clevis). Class B - Open (industrial clevis). Class C - Closed (standard eye). Class D - Closed (industrial eye). Class E - Closed (oval eye). Class F - Stud end. Class G - Coupling. Class H - Jointed handrail. Class J - Lifeline sister hook. Class K - Fixed s
4、lip-hook. Class L - Swivel slip-hook. Class A - Wire rope double socket end pull. Class B - Wire rope socket end pull and jaw end pull. Type II - Turnbuckles. Form 1 - With closed body. Form 2 - With open body. Form 1 - With closed body. Form 2 - With open body. Type - Turnbuckle assemblies. Class A
5、 - Wire rope socket end pull and shackle equipped closed eye end pull. Class B - U-ire rope socket end pull and sister hooks equipped end pull. Form 1 - With closed body. Form 2 - With open body. 2. APPLICABLE DOCUMENTS 2.1 The following specifications and standards, of the issue in effect on date o
6、f invitation for bids, form a part of this specification: SPECIFICATIONS FEDERAL a-B-626 - Brass, Leaded and Non-Leaded; Rods, Shapes, Forgings and Flat QG-P-416 - Plating, Cadmium (Electrodeposited). 4Q-2-325 - Zinc Plating (Electrodeposited). RR-W-410 - Wire Rope and Wire Strand. Products With Fin
7、ished Edges (Bars, Flat Wire and Strips). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILS-S-21433A (SHIPS) FEDERAL (contd. ) PPP-B-566 - Boxes, Folding, Paperboard. PPP-B-585 - Boxes, Wood, Wirebound. PPP-B-591 - Boxes, Fiberboard, Wood-Cleated,
8、 PPP-B-601 - Boxes, Wood, Cleated-Plywood. PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner. PPP-B-636 - Boxes, Fiber. PPP-B-645 - Boxes, Folding, Fiberboard, Heavy Duty. PPP-B-665 - Boxes; Paperboard, Metal Stayed (Including Shy PPP-B-676 - Boxes, Set-up, Paperboard. PPP-T-76 - Tape, Pressure-Sensit
9、ive Adhesive, Paper, Water Resistant. PPP-T-97 - Tape, fiessure-Sensitive Adhesive, Filament Reinforced. MIL-P-116 - Preservation, Methods of. MIL-N-994 - Naval Brass Bars,. Plates, Rods, Sheets, Strips, Wire, MIL-B-10377 - Boxes: Wood-Cleated, Veneer, Paper Overlaid. MIL-L-10547 - Liners, Case, Wat
10、erproof. MIL-C-16173 - Corrosion Preventive Compound, Solvent Cutback, Cold-A pplication. MIL-B-16444 - Bronze, Hydraulic (Ounce Metal): Castings. MIL - Z - 1 7871 - Zinc -Coating (Ho t-Dip Ga lvaniz ing) . MIL-S-20166 - Steel: Bars ar,d Shapes (for Hull Construction) (Including Material). MILITARY
11、Forgings, and Structural and Special Shaped Sections. Material for Drop and Miscellaneous Forgings). NAVY DEPARTMENT General Specifications for Inspection of Material. STANDARDS MLITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and
12、Storage. MIL-STD-130 - Identification Marking of U. S. Military Propery. MIL-STD-147 - Palletized Unit Loads (40” X 48” 4-Way Partial and 4-Way Pallets), (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement functions should
13、be obtained from the procuring activity or as directed by the contracting officer. ) 2.2 Other publications. - The following documents form a part of this specification. Unless otherwise indicated, the issue in effect on date of invitation for bids shall apply. NATIONAL BUREAU OF STANDARDS Handbook
14、H28 - Screw-Thread Standards for Federal Services. (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington 25, D. C. ) OFFICIAL CLASSIFICATION COMMITTEE Uniform Freight Classification Rules. (Applications for copies should be addressed t
15、o the Official Classification Committee, 1 Park Avenue at 33rd Street, New York 16, N. Y.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-23433A 53 W 7777706 0303227 4 W MIL-S-21433A (SHIPS) 3. REQUIREMENTS 3.1 General design, - Wire rope so
16、ckets, turnbuckles, and turnbuckle assemblies shall consist essentially of the following parts: (a) A sleeve which slips over the end of the wire rope. (b) A tapered wedge which is inserted to separate and hold the strands of (c) A covering socket, containing an inspection hole, for locking the asse
17、mbly. wire in the sleeve. 3.1.1 Wire rope with fiber core. - Applications utilizing wire rope with a fiber core shall be similar to figure 1. SH725 Figure 1 - Fiber core wedge, cutaway view showing inspection hole. 3.1.1.1 Wedges for use with six-strand wire ropes sizes 5/16-inch and smaller shall h
18、ave no grooves. For all other six-strand wire ropes, the wedge shall have six grooves and shall be similar to figure 2. Figure 2 - Fiber core wedge, 6-groove. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-21433A 53 = 7797906 0417502 7 3.1.1
19、.2 c; inin *. N 4cU I1 e DI, class A turnbuckle assemblv. - Each test sample shall be tested in accordance with 4.5.1. 4.2.2.2.1 Type I, classes A to G wire rope sockets: tvpe D. class A and B turnbuckles: and 4.2.2.2.1.1 When type I, class A wire rope sockets are specified in the contract or order
20、each test 4.2.2.2.2 Tvpe I, class K-and L wire rope sockets. - Each test sample shall be tested in accordance sample shall be tested in accordance with 4.5.3.1. with 4.5.1 and 4.5.2. 4.2.2.2.3 me I, class H sockets. - Each test sample shall be tested in accordance with 4.5.3. 4.2.2.2.4 Type I, class
21、 J wire rope sockets and tvpe III. class B turnbuckle assembly. - Each test sample shall be tested in accordance with 4.5.4. 4.2.3 In the event that approval of process specimens meet material, examination and test require- ments specified herein, approval may be granted by the bureau or agency conc
22、erned for the particular type, class, form and size wire rope socket, turnbuckle, or turnbuckle assembly tested. Whenever a specimen fails to conform to a specified requirement, additional samples manufactured under improved conditions may be submitted for retest. 4.3 Samplinq for acceptance inspect
23、ion. - 4.3.1. Lot. - All sockets, turnbuckles, or turnbuckle assemblies of the same type, class, form and size offered for delivery at one time shall be considered a lot far Purposes of acceptance inspection. 4.3.2 Samplinq for examination. - A random sample of sockets, turnbuckles, or turnbuckle as
24、semblies shall be selected-from each lot of material offered for examination of characteristics in accordance with Standard MIL-STD-105 at inspection level I twe II, class A and B turnbuckles and twe iII, class A turnbuckle assemblv. - Each sample socket, turnbuckle, and turnbuckle assembly shall fi
25、ber boxes 20 pounds. Sockets of sizes 7/16-inch or larger shall be bulk packed, as specified in 5.2.1, 5.2.2 or 5.2.3, as applicable; 19 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-21433A 53 m 7979906 0303246 4 m MIL-S-21433A(SHPS) 1/2-inch
26、 wire rope size or less and not more than 6-inches in length shall be packaged in boxes conforming to Specification PPP-B-636. Larger sizes shall be bulk packed, as Specified in 5.2.1, 5.2.2 or 5.2.3, as applicable. accordance with the manufacturers commercial practice. 5.1.1.2 Turnbuckles and turnb
27、uckle assemblies. - Turnbuckles and turnbuckle assemblies for 5.1.2 Level C. - Sockets, turnbuckles, or turnbuckle assemblies shall be preserved and packaged in 5.2 Packinu. - 5.2.1 Level A. - Sockets, turnbuckles or turnbuckle assemblies of like type, class, form and size and packaged as specified
28、(see 6.2) shall be packed in overseas type wirebound wood, fiberboard wood- cleated, wood cleated plywood, nailed wood, fiber, heavy duty fiberboard, wood-cleated veneer, and paper overlaid boxes conforming to Specifications PPP-B-585 (class 3), PPP-B-591, PPP-B-601, PPP-B-621, PPP-B-636 (grade 3, c
29、lass 31, PPP-B-645 and MIL-B-10377, respectively, at the option of the contractor. fiber boxes conforming to Speciftcation PPP-B-636 shall be used as shipping containers for packaged commodities only and shall not be used as shipping containers for bulk packed commodities. Box closures and strapping
30、 shall be in accordance with the box specification and the appendix thereto, except fiber boxes shall be banded with tape conforming to type IV of Specification PPP-T-97 and the appendix thereto. Gross weight of wood and wood-cleated boxes shall not exceed 200 pounds; fiber boxes shall not exceed th
31、e weight limitations of the applicable box specification. Shipping containers for packaged items only shall be provided with caseliners conforming to Specification MIL-L-10547. Caseliners shall be closed and sealed in accordance with the appendix to Specification MIL-L-10547. Caseliners may be omitt
32、ed for boxes conforming to Specification PPP-B-636 or PPP-B-645 of all joints and seams are sealed with at least l-l/Z-inch wide pressure sensitive tape conforming to Specification PPP-T-76. sizes l-l/E-inches or larger may be palletized in accordance with Standard MIL-STD-147. The gross weight of t
33、he pallets, when packed for shipment, shal not exceed 2,000 pounds. 5.2.2 Level B. - Sockets, turnbuckles, or turnbuckle assemblies of like type, class, form and size and packaged as specified (see 6.2) shall be packed in domestic type wood-cleated fiberboard, nailed wood, wirebound wood, wood-cleat
34、ed plywood, wood-cleated veneer paper overlaid, fiberboard, or fiber boxes conforming to Specification PPP -B -591, PPP -B -62 1, PPP -B -585, PPP -B -60 1, MIL -B -10377, PPP-B-645, or PPP-B-636 (class 2), respectively, at the option of the contractor. Fiber boxes con- forming to Specification PPP-
35、B-636 shall be used as shipping containers for packaged commodities only, and shall not be used as shipping containers for bulk packed commodities. Box closure shall be as specified in the applicable box specification or appendix thereto. The gross weight of wood or wood-cleated boxes shall not exce
36、ed 200 pounds; fiber boxes shall not exceed the weight limitations af the applicable box specification. 1-1/8-inches or larger may be palietized, as specified in 5.2.1.1. containers that will insure acceptance by common carrier and safe delivery at destination. Shipping con- tainers shall comply wit
37、h the Uniform Freight Classification Rules or regulations of other carriers as applicable to the mode of transportation. shipments shall be marked in accordance with Standard MIL-STD-129. 5.2.1.1 Pallets. - When specified (see 6. 2), wire rope sockets, turnbuckles and turnbucke assemblies, 5.2.2.1 P
38、allets. - When specified (see 6. 2), wire rope sockets, turnbuckles and turnbuckle assemblies 5.2.3 Level C. - Wire rope sockets, turnbuckles, or turnbuckles assemblies shall be packed in 5.3 Markins. - In addition to any special marking requirkd by the contract or order or herein, 20 Provided by IH
39、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-2lJ433A 53 m 77777Ob 03032L17 b m MIL -S -2 1433A(SHIPS) 6. NOTES 6.1 Intended use. - 6.1.1 Wire rope sockets, turnbuckles and turnbuckle assemblies may be used in the foliowing applications wherein the design
40、has provided an adequate safety factor: (a) Ships standing rigging. (b) Boat booms. (c) Lifelines. (d) Tiller ropes. (e) Wire rope antennae. (f) Towed devices involving use of armored electrical cable. 6.1.2 Poured (hot socketed) wire rope sockets should be used for all wire rope connections where t
41、he instaliation is required to develop 100 percent of the minimum breaking strength of the wire rope med. 6.2 Orderins data. - Procurement documents should specifiy the following: (a) Title, number, and date of this specification. (b) Type, class, form and size required (see 1.2 and 3.4). (c) Materi
42、al required for type I, class A sockets (see 3.7.1). (d) Type of wire rope to be used with item. (e) Coating - self-colored zinc, or cadmium (see 3.10). () Selection of applicable levels of preservation, packaging and packing (see 5.1 and 5.2). (9) Whether unit palletization is required (see 5.2.1.1
43、 and 5.2.2. 1). 6.3 The illustrations contained herein are descriptive and are not intended to preclude the purchase of wire rope sockets, turnbuckles and turnbuckle assemblies otherwise conforming to this specification. Notice. - When Government drawings, specifications, or other data are used for
44、any purpose other than in connection with a definitely related Government procurement operation, the United States Govern- ment thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, s
45、pecifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented invention that may in any way be related thereto. Preparing activity: Navy - Bureau of Ships (Project 4030-0005Sh) 21 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
