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 5915-01-446-1016
NSN 5998-01-086-4376
NSN 6685-01-459-1979
NSN 5920-01-191-9847
NSN 6135-01-252-0315
NSN 6150-00-339-1336
NSN 5945-00-367-4106
NSN 6105-00-901-6173
NSN 5905-00-014-2438
NSN 5975-00-599-1701
NSN 6685-01-012-2597
NSN 5855-00-832-9341