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 6645-00-171-9639
NSN 5998-01-634-0604
NSN 5915-01-612-1871
NSN 6685-00-155-4301
NSN 5945-01-476-7182
NSN 6110-01-431-6906
NSN 6145-00-862-7069
NSN 6105-01-195-3499
NSN 6650-01-174-0928
NSN 6685-01-157-9340
NSN 5975-01-592-0478
NSN 5950-01-061-7319