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 6130-00-192-1721
NSN 5960-01-599-9821
NSN 5930-01-400-6126
NSN 6105-01-565-0333
NSN 5990-01-548-3711
NSN 6135-00-307-6998
NSN 5925-01-579-3438
NSN 5915-01-275-8840
NSN 5935-01-426-4388
NSN 5920-01-395-4209
NSN 6220-00-345-3660
NSN 6150-00-067-5244