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 7035-01-048-7122
NSN 5895-00-755-4647
NSN 6135-00-422-3967
NSN 5996-00-100-1238
NSN 6105-01-536-1572
NSN 6150-01-228-7789
NSN 5945-00-665-5055
NSN 7035-01-464-1213
NSN 6130-01-442-6491
NSN 4140-00-686-4894
NSN 6105-00-542-3666
NSN 6145-00-824-4557