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 7035-01-167-1052
NSN 5985-01-501-5717
NSN 6610-00-451-3325
NSN 6105-01-535-7921
NSN 6650-00-276-9838
NSN 5945-01-079-5854
NSN 5965-01-277-1648
NSN 7035-01-200-4751
NSN 5895-01-556-4322
NSN 5960-00-943-4061
NSN 5998-00-916-9829
NSN 5855-01-316-6574