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 5998-01-463-8527
NSN 5910-01-384-2665
NSN 6135-01-435-6503
NSN 5935-00-389-7160
NSN 5930-01-551-4246
NSN 6650-00-717-4464
NSN 5895-01-653-1732
NSN 6150-00-179-9876
NSN 6650-01-230-5155
NSN 5910-00-497-1152
NSN 5905-01-175-2764
NSN 5895-01-448-3432