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 6150-00-087-9284
NSN 5895-00-028-6711
NSN 6150-01-607-6420
NSN 5950-00-203-5809
NSN 5965-00-460-8913
NSN 5895-01-053-6273
NSN 6650-00-809-1817
NSN 5965-00-698-0433
NSN 6150-01-067-0670
NSN 7035-00-275-5604
NSN 5935-01-192-7369
NSN 5960-01-512-0233