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 5905-00-566-0629
NSN 6105-01-446-7245
NSN 5985-01-512-1867
NSN 5910-01-463-8455
NSN 6130-01-224-0384
NSN 5975-01-401-5355
NSN 5910-01-424-6355
NSN 5975-00-945-9065
NSN 5920-01-411-1111
NSN 5855-00-466-2309
NSN 6135-00-269-5843
NSN 5945-01-112-7144