2540-15-129-5189

5365-14-412-4940 5365144124940 144124940 is a cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. one face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. excludes retainer, optical element.

5815-00-412-4940 5815004124940 004124940

2520-14-219-7882 2520142197882 142197882 is a metallic item, solid or tubular, having one closed end formed to fit into a shallow recess or groove, or having a flat or concave surface used to exert pressure against a component part. it is designed for use with a spring, helical, compression, which exerts pressure to hold a shaft, pin, or the like, in a semirigid position in housings or other mechanical devices. does not have internal or external threads. excludes plunger, quick release. for electrical items, see detent, switch and plunger, solenoid. see also catch, friction.