A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6135-00-196-5267
NSN 6240-01-578-7443
NSN 5855-00-337-3679
NSN 5945-00-045-6255
NSN 4140-01-519-7087
NSN 5985-01-209-3233
NSN 5945-00-540-1052
NSN 5996-01-318-7738
NSN 6220-00-413-6589
NSN 6110-00-271-9928
NSN 2925-00-190-5561
NSN 6145-00-119-8201