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 5835-01-459-7428
NSN 6105-01-081-2041
NSN 5945-00-808-9756
NSN 6685-00-459-4593
NSN 5835-00-106-2120
NSN 6610-01-521-8692
NSN 5935-01-139-5246
NSN 5965-01-514-7231
NSN 7035-01-074-7634
NSN 5910-00-146-5027
NSN 5920-00-501-3087
NSN 5999-01-526-8247