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 5950-01-074-8464
NSN 6110-00-542-2202
NSN 5915-01-297-0722
NSN 5910-01-437-3535
NSN 6110-01-464-3471
NSN 5910-01-104-8008
NSN 5960-01-628-2760
NSN 2925-01-264-5256
NSN 5895-01-528-4611
NSN 5965-00-117-4214
NSN 6105-00-208-1803
NSN 5998-00-816-9198