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 6105-01-446-9092
NSN 5965-00-577-1242
NSN 6610-01-162-4882
NSN 5910-01-537-9052
NSN 6135-00-985-7887
NSN 6130-01-133-7877
NSN 6320-00-194-4252
NSN 5975-00-481-3681
NSN 6645-01-397-7277
NSN 5835-01-279-9508
NSN 5960-01-580-6360
NSN 6610-00-641-3015