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 5920-01-167-9026
NSN 2925-00-115-5857
NSN 5950-01-541-5016
NSN 5925-01-220-5497
NSN 5960-01-363-7759
NSN 5835-01-235-1125
NSN 6105-01-464-6013
NSN 6610-01-442-3509
NSN 5996-00-934-1518
NSN 5915-01-377-5881
NSN 5910-01-418-0574
NSN 5996-01-115-6121