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 5905-01-435-7952
NSN 5975-01-512-2288
NSN 4140-01-363-2258
NSN 5835-01-350-0566
NSN 5895-00-587-7057
NSN 5855-01-431-2183
NSN 2925-01-336-2820
NSN 4140-00-189-0235
NSN 6220-01-528-1075
NSN 5895-01-521-3296
NSN 5920-01-203-6952
NSN 6130-01-291-7513