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 6610-00-174-6709
NSN 6130-00-186-8460
NSN 6650-00-525-3446
NSN 2925-00-874-1864
NSN 5920-00-269-6178
NSN 6645-00-854-7505
NSN 6135-00-299-6918
NSN 6145-01-384-6003
NSN 5895-01-012-5045
NSN 6110-00-840-6560
NSN 5975-00-404-7476
NSN 2925-00-771-7521