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 6145-00-462-7222
NSN 6610-01-276-7766
NSN 5965-00-174-4967
NSN 5925-01-442-8589
NSN 6110-01-568-9857
NSN 5905-01-045-4190
NSN 6145-01-237-6928
NSN 5998-01-090-5989
NSN 5960-01-149-1261
NSN 5930-01-056-5276
NSN 5990-01-303-0564
NSN 5855-01-616-1274