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 2925-01-528-7333
NSN 5975-01-091-3278
NSN 5985-01-547-4782
NSN 6610-01-269-3070
NSN 5915-01-046-1125
NSN 5990-00-576-4882
NSN 6145-01-646-1797
NSN 4140-00-379-4748
NSN 6145-01-205-1097
NSN 5996-01-595-4788
NSN 5999-00-949-6571
NSN 6145-00-646-6616