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.
Classification: Press-fasteners, snap-fasteners & press-studs & parts therefor
NSN 5985-01-571-8941
NSN 6150-01-375-8046
NSN 5975-01-012-6204
NSN 4140-01-350-3277
NSN 5895-00-776-2298
NSN 5985-01-499-4364
NSN 5930-01-515-1555
NSN 5998-01-174-0853
NSN 5990-00-165-1809
NSN 5915-01-658-8051
NSN 5925-01-022-9733
NSN 6240-00-297-3919