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 6650-01-442-0267
NSN 5910-01-101-9246
NSN 6685-01-032-7516
NSN 6610-01-293-9838
NSN 5990-01-400-3299
NSN 5915-01-219-7068
NSN 6110-01-275-0958
NSN 6685-00-394-3965
NSN 6145-00-464-0979
NSN 5925-01-109-3582
NSN 5895-01-185-1988
NSN 6240-00-126-4551