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 5835-01-282-6089
NSN 5835-00-546-4898
NSN 5910-01-114-3346
NSN 5945-01-099-3777
NSN 5996-01-542-5137
NSN 6645-01-218-5234
NSN 6320-00-468-8421
NSN 5895-01-161-4943
NSN 5990-01-414-2778
NSN 6150-01-025-6305
NSN 6110-00-501-4668
NSN 5930-01-199-1573