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 6135-01-026-9960
NSN 6645-00-979-0039
NSN 5935-00-334-0401
NSN 6130-01-485-3483
NSN 6135-00-016-0071
NSN 4140-00-082-8228
NSN 5965-00-281-0319
NSN 5990-01-178-6307
NSN 6650-01-472-6753
NSN 5998-00-224-9623
NSN 4140-01-064-0553
NSN 5975-01-027-0253