Special Features:

Length is 0.984 plus 0.000 minus 0.015. Both ends are 0.188 plus 0.000 minus 0.002 dia- before knurling, length is 0.310, chamfer is 0.015 x 45deg, 0.110 plus or minus 0.005 diameter through and0.138-32 unc-2bx 0.280 deep. Collar iscentered with 0.198 plus 0.000 minus 0.004 dia. After knurling, knurl is d.P. Straight. Collar length is 0.380, surface roughness as rolled or drawn. Cut or machined surfaces to have 125. Remove burrs and sharp edges. Identify per military standard 130.

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.