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 6105-00-780-2318
NSN 5930-01-055-4312
NSN 6130-01-505-0810
NSN 6650-00-466-1697
NSN 5965-01-422-1392
NSN 5999-00-390-8582
NSN 5930-01-555-8484
NSN 6650-01-122-6734
NSN 5910-00-226-8109
NSN 5910-00-719-5407
NSN 6320-01-089-9086
NSN 6105-01-582-5537