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 6130-01-651-0522
NSN 6320-00-295-1572
NSN 6620-01-524-9112
NSN 5996-00-580-4129
NSN 6685-01-458-0738
NSN 6130-01-503-6812
NSN 5960-00-269-4762
NSN 5915-00-996-7763
NSN 5999-01-634-0576
NSN 6145-01-546-0609
NSN 6135-01-167-7604
NSN 6105-01-168-9395