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 5985-00-597-2966
NSN 6150-01-116-3188
NSN 6320-01-138-0442
NSN 2925-01-389-6874
NSN 5925-01-601-2724
NSN 5998-00-080-9000
NSN 6240-01-360-5133
NSN 6645-00-356-5705
NSN 5996-00-279-5806
NSN 5996-00-389-0065
NSN 5910-01-079-1032
NSN 5855-01-141-5190