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 6105-01-239-7626
NSN 5990-01-191-1772
NSN 5910-01-277-2107
NSN 6145-01-337-2133
NSN 6240-01-176-2409
NSN 5945-01-266-3108
NSN 6130-00-607-0728
NSN 6105-01-272-4707
NSN 5925-01-551-1265
NSN 6320-00-194-4252
NSN 6150-01-398-0223
NSN 6130-00-246-6915