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 5990-01-025-7466
NSN 6320-01-512-2031
NSN 5930-01-632-4906
NSN 2925-00-950-2516
NSN 5895-01-519-8179
NSN 4140-01-407-5919
NSN 6240-01-633-9357
NSN 5945-01-440-0405
NSN 5999-01-201-0407
NSN 2925-01-516-4626
NSN 5945-00-394-6869
NSN 6685-01-376-7428