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 5935-00-593-6829
NSN 5965-01-649-1279
NSN 7035-00-371-7749
NSN 5895-01-056-4548
NSN 5960-01-546-2379
NSN 6645-00-406-2564
NSN 6650-01-309-9152
NSN 6130-00-758-3095
NSN 5895-01-372-3372
NSN 5996-00-594-8587
NSN 5999-00-784-8684
NSN 5835-01-422-7393