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 5905-01-398-2529
NSN 7035-01-045-7202
NSN 6130-01-371-2216
NSN 5999-01-224-2177
NSN 6105-01-447-5129
NSN 5920-01-116-1789
NSN 6150-00-292-8778
NSN 6110-00-333-9100
NSN 5975-00-859-9906
NSN 6240-00-435-0433
NSN 6320-00-186-6452
NSN 6105-01-166-2387