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 5895-01-279-9889
NSN 7035-01-656-7120
NSN 5905-00-708-5214
NSN 6620-00-856-2353
NSN 6135-01-459-6424
NSN 5935-01-223-6533
NSN 4140-01-100-7922
NSN 4140-01-242-2296
NSN 6135-00-885-6003
NSN 7035-01-628-7988
NSN 6130-01-113-6715
NSN 5905-00-826-5471