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 5965-00-280-8506
NSN 6135-01-648-4875
NSN 5835-01-050-6993
NSN 5895-01-013-9193
NSN 6105-01-095-8765
NSN 6135-00-686-4777
NSN 6145-01-024-9848
NSN 6105-00-879-2229
NSN 6610-01-124-8114
NSN 5920-00-445-3585
NSN 6685-01-371-3050
NSN 6220-01-189-4112