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 6105-00-756-5206
NSN 6150-01-212-9010
NSN 6685-01-386-7963
NSN 6685-01-370-3806
NSN 5965-00-338-6955
NSN 5835-01-502-9228
NSN 5975-01-644-3555
NSN 5965-00-339-2743
NSN 5985-01-535-6924
NSN 5835-01-316-3255
NSN 5835-01-051-7584
NSN 5915-00-291-3736