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 5910-00-616-7116
NSN 6150-01-560-9030
NSN 5910-00-156-0993
NSN 6105-00-202-2469
NSN 5950-00-601-7302
NSN 6150-01-415-0535
NSN 5998-00-926-3730
NSN 5975-00-290-1795
NSN 5835-01-478-0157
NSN 5985-00-064-6416
NSN 5950-00-262-6054
NSN 6620-01-151-3986