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 5930-01-435-8383
NSN 5985-01-207-0952
NSN 6620-00-836-0399
NSN 2925-00-707-6770
NSN 5965-00-651-7372
NSN 5920-01-473-2349
NSN 4140-01-496-2114
NSN 5920-01-153-9299
NSN 6130-00-095-6501
NSN 5895-01-412-1325
NSN 5965-01-162-2632
NSN 5999-01-128-5587