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 5990-01-237-9044
NSN 5950-01-403-2852
NSN 6110-01-382-7730
NSN 5950-00-369-1593
NSN 5855-00-466-2309
NSN 2925-01-250-2731
NSN 6620-01-030-6495
NSN 6150-01-482-5739
NSN 5915-01-085-1762
NSN 5930-00-233-5935
NSN 5975-01-012-2486
NSN 5999-01-154-6091