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 6650-00-629-8027
NSN 5920-01-163-3973
NSN 5960-01-247-4560
NSN 6650-00-469-5958
NSN 6620-01-052-2773
NSN 6150-00-766-5748
NSN 5999-00-463-5050
NSN 6320-00-194-4252
NSN 5935-01-252-9217
NSN 6620-00-778-7405
NSN 6220-01-305-9709
NSN 5998-01-534-9796