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 5998-01-470-3830
NSN 5920-00-271-3217
NSN 6105-01-276-2910
NSN 5965-00-764-1841
NSN 5895-01-479-4757
NSN 5915-01-429-9287
NSN 5895-00-370-0594
NSN 6645-01-601-5473
NSN 5960-01-167-0763
NSN 6130-01-258-7046
NSN 5965-01-382-9081
NSN 6220-01-211-6349