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 6240-00-329-9573
NSN 6220-00-332-9408
NSN 6105-00-761-2372
NSN 5920-01-092-6839
NSN 5935-01-159-5668
NSN 5925-01-417-1942
NSN 5895-01-014-4524
NSN 6645-00-837-2267
NSN 5895-01-158-6357
NSN 5835-01-084-6997
NSN 6610-01-046-8568
NSN 6145-01-401-3713