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 5905-01-504-2659
NSN 5996-00-636-4849
NSN 6220-01-278-9369
NSN 5975-00-847-1244
NSN 6150-01-099-5175
NSN 5895-00-250-2022
NSN 5835-01-023-6774
NSN 5945-01-064-6186
NSN 6130-01-437-5403
NSN 6645-01-556-5263
NSN 5920-00-221-4556
NSN 5960-00-832-8449