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 6650-01-626-5370
NSN 5935-01-657-9072
NSN 7035-00-206-6123
NSN 2925-01-215-5022
NSN 5935-00-232-3052
NSN 6150-00-097-1391
NSN 6110-01-381-0300
NSN 5930-01-136-1302
NSN 6135-00-998-5884
NSN 6145-01-075-1042
NSN 6620-01-462-0001
NSN 6220-00-583-9889