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 5835-01-036-4951
NSN 5910-01-315-6613
NSN 5999-01-489-1827
NSN 5998-01-616-9069
NSN 5920-01-258-5775
NSN 6610-01-461-8180
NSN 5920-01-608-9971
NSN 6650-00-882-3576
NSN 5998-00-166-2102
NSN 6145-01-231-7641
NSN 6150-00-565-6950
NSN 5910-01-307-5712