A-A-52200
3.1.1 Legs. The connector link legs will be identical and interchangeable and manufactured of heat treated alloy steel.
3.1.2 Screws. The screws shall be identical and interchangeable and manufactured of heat treated steel.
3.2 Design and construction. The design and construction of the connector links shall conform in all respects to the requirements specified herein. (See 5.1).
3.2.1 Assembly. One complete rectangular shaped link shall consist of two L shaped legs fastened together with two screws.
The Type I link shall have two legs assembled with two slotted head screws. The Type II link shall have two legs assembled with two cross recessed head screws. The screws shall have a minimum of six (6) full turns when fully assembled, and hand tightened.
3.2.2 Dimensions. The nominal overall length shall be 2.34 in., by 1.19 in. nominal overall width, with a 1.5 in. nominal inside width between the legs.
3.2.3 Threads. The screw threads for the legs shall be 10-40 UNS-2B. The screw threads for the screws shall be 10-40 UNS-2A.
3.2.4 Heat treating. The legs-and screws shall be heat treated to the required tensile strength to meet the proof load.
3.2.5 Proof load. When subjected to a uniformly distributed pull force perpendicular to the long side of each leg, the connector link shall withstand a minimum proof load of 3,000 pounds. There shall be no permanent deformation and the screws shall be able to be loosened and reseated manually.
3.3 Finish. All surfaces shall be smooth with no burrs or sharp edges. The surface textures unless otherwise specified shall be 125/max in accordance with ANSI B46.1. The connector legs and screws will be cadmium or zinc chromate plated or immersion zinc flake/chromate dispersion coated with a clear sealer or equivalent, as determined by the contractor.
3.4 Cleanliness. The connector links shall be clean and free or dirt, grease or lubricants, with no signs of rust or discoloration.
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