Chemical conversion coating per mil-c-5541 class 3
A metallic or nonmetallic item of various peripheral shapes and a solid cross-section. It is designed to maintain a predetermined distance between two surfaces. It may have flat parallel bearing surfaces. Do not use if a more specific name applies. See also spacer, ring; spacer, plate; spacer, sleeve; spacer, stepped; shim and washer, flat.
Classification: Articles of aluminum nesoi
NSN 6145-01-631-5353
NSN 5925-00-342-3637
NSN 5975-00-925-1197
NSN 5950-01-561-9505
NSN 6220-00-635-8818
NSN 5930-01-350-1477
NSN 6135-01-357-0621
NSN 6645-01-024-8199
NSN 5915-01-621-7174
NSN 6110-01-428-2059
NSN 5985-01-083-7340
NSN 5999-01-649-2810