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 5965-00-362-2158
NSN 5945-01-634-0588
NSN 4140-00-901-8216
NSN 5998-01-392-0057
NSN 7035-00-413-0992
NSN 5935-01-630-6383
NSN 7035-00-628-3471
NSN 5960-00-796-1664
NSN 6105-01-412-0811
NSN 5996-01-006-4262
NSN 5950-01-570-1816
NSN 6240-01-589-7218