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 5835-00-814-1359
NSN 5895-01-518-9747
NSN 5935-01-571-7820
NSN 6135-01-400-2947
NSN 5965-01-025-5129
NSN 5930-00-582-1730
NSN 5935-01-351-3361
NSN 5915-00-754-9891
NSN 5910-01-239-5522
NSN 6650-01-506-5636
NSN 5855-00-051-2792
NSN 6645-00-009-8811