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 5910-00-188-9624
NSN 5895-00-004-1322
NSN 6220-01-161-8199
NSN 2925-00-549-6759
NSN 6145-01-477-6293
NSN 5930-00-771-8119
NSN 6610-00-466-3104
NSN 6135-00-145-8884
NSN 5998-01-422-9779
NSN 5935-01-212-9511
NSN 6645-01-442-6476
NSN 6150-01-485-7659