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 5985-01-639-8150
NSN 5935-01-229-8485
NSN 5945-01-331-0591
NSN 6620-01-015-2470
NSN 5965-01-454-8076
NSN 5910-01-139-4383
NSN 5930-00-848-6305
NSN 5910-01-153-2651
NSN 6135-01-066-6904
NSN 5915-00-913-1677
NSN 5998-01-063-7914
NSN 5895-01-444-1387