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 6135-01-411-3212
NSN 5910-01-068-5137
NSN 5960-00-740-7285
NSN 5910-00-269-4755
NSN 5930-00-104-6148
NSN 5935-01-454-5288
NSN 4140-00-266-9132
NSN 6130-01-168-5286
NSN 5910-01-272-3801
NSN 5910-00-780-0977
NSN 5925-01-513-7768
NSN 5960-01-583-4737