Special Features:

Two axial keyways 0.107 in. Min by 0.111 in. Max wide by 0.065 in. Min 0.075 in. Max deep by 0.380 in. Nom long; one end countersunk 79.5 degrees min 80.5 degrees max to 0.480 in. Min 0.490 max dia; other end chamfered 0.050 in. By 45.0 ddeg; external 0.562-18unf-2a thread full length; fluorocarbon dispersion lubricant per military specification mil-l-60326; heat treated to h1025, 155000 psi tensile per sae specification ams 5643

Properties:

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on its underportion which can be clinched or crimped. Excludes bushing, machine thread; nut, plain, knurled; nut, plain, round; nut, plain, clinch and nut, self-locking, clinch. See also nut, plain, plate.