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 5915-00-582-1499
NSN 6645-01-100-3296
NSN 5960-01-196-3344
NSN 5910-00-555-3003
NSN 6145-01-572-3597
NSN 6220-00-827-0227
NSN 6645-00-149-1100
NSN 2925-01-251-9529
NSN 6645-00-922-8312
NSN 5905-01-446-6585
NSN 6320-00-456-0836
NSN 5965-01-050-8447