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 5935-00-822-5783
NSN 6320-00-284-1524
NSN 6685-01-474-5780
NSN 6110-01-358-4498
NSN 5920-01-279-8079
NSN 4140-01-302-5259
NSN 6105-01-462-3628
NSN 5925-01-600-6772
NSN 5985-01-391-3719
NSN 5935-01-634-0668
NSN 4140-00-395-2525
NSN 5945-00-597-2049