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 6650-01-246-3265
NSN 5925-00-924-9596
NSN 7035-01-256-9598
NSN 6645-00-183-8812
NSN 5985-01-420-6942
NSN 5930-00-125-7073
NSN 5895-01-470-2334
NSN 6645-00-533-8037
NSN 5905-01-592-4064
NSN 4140-00-143-4772
NSN 6105-01-248-4673
NSN 6650-00-909-8380