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 6130-01-327-4594
NSN 4140-01-204-2907
NSN 5905-01-434-5704
NSN 5855-00-237-4088
NSN 5996-00-213-7121
NSN 6135-01-660-2840
NSN 5910-01-615-6279
NSN 6150-01-476-6327
NSN 6110-01-445-6113
NSN 6220-00-854-2532
NSN 5999-01-160-1927
NSN 5998-00-966-4272