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 5945-00-269-5375
NSN 5965-01-065-5544
NSN 6685-01-114-7366
NSN 6110-00-111-1225
NSN 4140-00-594-4452
NSN 6320-01-090-8296
NSN 5915-00-841-4497
NSN 5935-00-555-6945
NSN 7035-00-455-7666
NSN 6240-00-677-0305
NSN 5895-01-414-7506
NSN 6685-01-154-2421