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 5965-01-158-4187
NSN 2925-01-239-6044
NSN 6240-00-423-9575
NSN 6650-00-930-8825
NSN 6130-00-023-3433
NSN 5915-00-518-6936
NSN 5960-01-434-5539
NSN 5920-01-554-1876
NSN 6645-00-232-4070
NSN 5996-00-738-3677
NSN 5998-01-444-3449
NSN 6650-01-381-2117