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 6645-00-963-8295
NSN 5985-01-644-6096
NSN 5996-00-802-7822
NSN 6650-00-482-2019
NSN 5915-01-174-6256
NSN 5999-01-462-8826
NSN 5985-01-543-9507
NSN 6610-01-655-4737
NSN 2925-00-831-7024
NSN 6320-00-405-2348
NSN 6110-00-976-3361
NSN 7035-00-285-3393