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 5965-01-454-8076
NSN 6130-01-165-9419
NSN 6240-00-785-8398
NSN 5965-01-649-6410
NSN 7035-01-432-2424
NSN 6610-00-395-2574
NSN 6240-01-512-4547
NSN 5990-00-181-2220
NSN 5985-00-758-2056
NSN 5835-01-462-5983
NSN 6320-00-593-0379
NSN 5915-00-226-6811