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 6610-01-219-3168
NSN 5975-01-647-0488
NSN 6145-01-016-0759
NSN 5920-01-616-6431
NSN 7035-01-398-9581
NSN 5999-00-554-4285
NSN 6145-00-730-3933
NSN 6130-01-377-2446
NSN 5935-00-753-7895
NSN 6220-01-153-7943
NSN 5960-01-092-4762
NSN 5915-01-411-5355