A metal or plastic item of various shapes with two flat bearing surfaces. It is designed to maintain a predetermined distance between parts of an assembly. The item has one or more through holes parallel to its axis, and is unthreaded.
NSN 5905-01-023-1615
NSN 6645-00-255-1372
NSN 6145-01-399-8414
NSN 5835-01-561-2959
NSN 6320-01-571-8974
NSN 6130-00-359-2747
NSN 6620-00-088-8045
NSN 6610-01-601-5019
NSN 5950-01-552-1095
NSN 5990-01-050-1102
NSN 6105-01-313-7100
NSN 5910-01-445-6903