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 7035-00-803-3056
NSN 5998-01-617-7876
NSN 5998-00-284-1090
NSN 5935-00-594-7530
NSN 6130-01-485-8156
NSN 5855-01-619-6124
NSN 5945-01-445-6883
NSN 6320-01-631-7828
NSN 6150-00-387-3045
NSN 6240-01-432-7404
NSN 5950-01-437-9848
NSN 5996-01-522-9470