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 6105-00-220-2737
NSN 6320-00-284-1524
NSN 6240-00-462-9026
NSN 6240-01-226-8866
NSN 5855-00-149-0766
NSN 6610-01-424-0776
NSN 5985-00-479-8612
NSN 2925-01-650-3412
NSN 5915-00-772-5293
NSN 5905-01-073-1637
NSN 5935-00-192-3613
NSN 5985-00-867-9161