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 6240-01-411-1418
NSN 5835-01-382-4592
NSN 5905-00-312-4512
NSN 6130-00-930-7458
NSN 4140-01-463-2114
NSN 5945-00-597-5722
NSN 6150-01-157-5152
NSN 5950-01-206-7505
NSN 4140-00-068-0267
NSN 5925-01-571-4875
NSN 6650-01-443-5342
NSN 6150-00-596-9253