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 5910-01-095-8248
NSN 6105-01-197-7687
NSN 5915-01-027-1407
NSN 5925-01-386-3139
NSN 6130-01-415-2470
NSN 6650-01-041-4589
NSN 5910-00-403-1528
NSN 6130-01-499-8950
NSN 6145-00-006-8565
NSN 5920-01-252-8660
NSN 6320-01-170-4068
NSN 6105-00-465-2785