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 5965-00-913-9545
NSN 6320-01-538-4782
NSN 5895-01-550-7988
NSN 5950-01-239-2080
NSN 6110-00-678-1954
NSN 6240-01-450-9269
NSN 6130-01-365-9328
NSN 5960-01-641-5493
NSN 6620-01-206-5748
NSN 5910-00-174-5120
NSN 6685-01-098-6645
NSN 5925-01-505-1126