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 6650-00-420-3593
NSN 4140-00-760-3620
NSN 6685-01-574-4681
NSN 5996-00-012-3672
NSN 5965-01-023-9359
NSN 6150-01-158-5938
NSN 6650-01-320-1169
NSN 5920-01-551-9482
NSN 5985-00-035-4558
NSN 6130-01-029-2903
NSN 2925-01-094-4771
NSN 7035-00-679-9027