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 6105-00-491-7293
NSN 5945-01-467-2242
NSN 5925-01-038-7029
NSN 6650-01-608-2240
NSN 6220-01-211-7025
NSN 5910-01-461-2970
NSN 6130-01-327-3687
NSN 6645-01-012-7670
NSN 5999-00-845-5312
NSN 6620-01-062-4307
NSN 5910-01-468-5571
NSN 6110-01-487-7475