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 5895-01-245-8517
NSN 5915-01-591-7452
NSN 6610-01-026-1701
NSN 5990-01-084-0807
NSN 5999-01-395-7487
NSN 5998-00-365-5464
NSN 5905-00-279-2487
NSN 5945-00-354-2831
NSN 6650-01-009-4796
NSN 7035-00-631-3782
NSN 5915-00-237-6183
NSN 6320-01-054-3046