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 6645-00-736-0476
NSN 6320-01-388-1067
NSN 5835-01-305-8866
NSN 6685-00-292-9963
NSN 5935-01-038-7399
NSN 7035-01-186-0024
NSN 6320-01-036-2598
NSN 5920-01-068-1483
NSN 5960-01-605-9921
NSN 5960-01-617-6345
NSN 6220-01-358-5134
NSN 5960-01-297-2665