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 5945-01-277-3752
NSN 5920-00-341-6340
NSN 6105-00-230-9688
NSN 5835-00-140-8646
NSN 5985-01-020-7894
NSN 5920-00-397-0802
NSN 5996-00-009-6113
NSN 5915-01-449-6531
NSN 7035-00-585-2113
NSN 6650-00-224-3223
NSN 5945-00-246-5740
NSN 5945-01-541-3754