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 6110-00-738-3400
NSN 6650-01-005-8570
NSN 5965-00-246-5612
NSN 5855-01-172-2228
NSN 2925-01-290-8208
NSN 5910-00-967-8737
NSN 6240-01-512-1856
NSN 6105-01-112-0490
NSN 5945-01-336-1849
NSN 6110-00-271-9928
NSN 6240-01-285-7616
NSN 5965-01-141-6485