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 5996-00-815-8924
NSN 5960-01-276-2828
NSN 6685-01-519-9250
NSN 6220-01-099-3429
NSN 5895-01-318-9487
NSN 5935-01-349-1857
NSN 7035-00-574-4223
NSN 5925-00-922-7604
NSN 6105-01-418-1654
NSN 6650-01-101-2954
NSN 5965-01-046-9619
NSN 6145-01-363-5722