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 6110-01-376-2286
NSN 6645-01-199-0062
NSN 5985-01-259-9824
NSN 6220-00-340-1313
NSN 5855-00-337-3679
NSN 6130-00-758-4485
NSN 5915-00-528-8973
NSN 5945-01-098-7262
NSN 5910-01-167-0331
NSN 5950-01-467-9998
NSN 5965-01-526-2087
NSN 5996-01-318-1056