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 5925-01-626-5276
NSN 6610-01-406-4985
NSN 5920-00-166-8812
NSN 6145-01-123-7019
NSN 5930-01-502-8274
NSN 5998-01-587-9969
NSN 5910-01-138-4564
NSN 7035-01-594-9198
NSN 5910-01-370-0878
NSN 6620-01-420-8666
NSN 4140-01-074-7155
NSN 5915-01-633-9845