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 6320-00-242-3300
NSN 6650-01-024-9554
NSN 5965-01-083-0958
NSN 4140-01-370-4868
NSN 4140-00-315-0146
NSN 5915-00-138-8685
NSN 6685-01-094-7916
NSN 2925-00-924-7745
NSN 5930-01-502-7441
NSN 5905-00-106-9359
NSN 5930-01-224-6561
NSN 5945-00-165-3878