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 6105-01-322-4613
NSN 6110-01-387-0226
NSN 5960-01-193-5224
NSN 5998-01-201-2181
NSN 6685-01-535-5699
NSN 5915-00-721-2204
NSN 5905-01-107-5156
NSN 5920-00-724-3815
NSN 6220-01-227-5364
NSN 5835-00-870-7034
NSN 6645-01-096-9719
NSN 5895-00-173-7881