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 6110-00-982-2293
NSN 6105-01-407-1329
NSN 6620-01-436-3502
NSN 5975-01-047-4054
NSN 4140-01-056-4453
NSN 6650-01-514-7809
NSN 6130-01-362-0254
NSN 6645-01-605-1485
NSN 5935-01-432-5535
NSN 5999-01-316-2862
NSN 5965-00-226-0209
NSN 6220-01-057-7365