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 5965-00-782-8920
NSN 6620-01-209-1472
NSN 5925-01-337-9677
NSN 5985-01-126-7373
NSN 5945-01-003-9426
NSN 5915-01-106-4544
NSN 6105-00-707-5962
NSN 5960-01-476-5686
NSN 5915-01-195-8434
NSN 5895-00-736-8814
NSN 6150-00-419-3788
NSN 5998-01-110-2217