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 5915-01-046-9296
NSN 6620-00-571-8157
NSN 5855-01-634-0259
NSN 5965-00-256-8687
NSN 4140-01-475-8930
NSN 5999-00-139-0347
NSN 6620-00-739-4874
NSN 6610-00-066-9353
NSN 5945-01-146-0669
NSN 6110-01-508-4192
NSN 5895-01-497-3690
NSN 5910-01-217-0446