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 5935-00-513-3816
NSN 6220-00-873-6261
NSN 6240-00-012-7934
NSN 6610-00-701-2600
NSN 6650-00-248-4895
NSN 5895-01-140-4046
NSN 6220-01-443-7731
NSN 5996-01-415-1028
NSN 6135-01-010-0891
NSN 5935-00-138-9730
NSN 6685-00-893-0111
NSN 5905-00-773-6149