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 6135-01-127-0173
NSN 6105-01-063-1375
NSN 6105-01-355-1262
NSN 5920-00-078-8660
NSN 6610-00-600-1882
NSN 6105-01-461-4683
NSN 6130-01-481-6329
NSN 6650-01-118-8140
NSN 6110-01-633-9660
NSN 6135-01-260-7180
NSN 6645-01-493-2620
NSN 6645-01-432-1068