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 5915-00-155-7626
NSN 5960-01-174-6975
NSN 5895-01-147-5688
NSN 6650-01-459-8703
NSN 5910-00-941-3997
NSN 6685-01-283-1146
NSN 5835-01-486-4191
NSN 6320-01-317-3663
NSN 6150-00-480-5978
NSN 6610-00-977-1498
NSN 5855-00-100-9003
NSN 6650-00-804-2039