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 5915-01-484-5029
NSN 6240-01-157-9128
NSN 5950-00-359-2936
NSN 6105-00-407-1232
NSN 7035-01-023-1008
NSN 6620-00-602-5832
NSN 5945-00-075-0543
NSN 2925-01-292-9248
NSN 5935-01-297-4851
NSN 6240-00-152-3639
NSN 2925-01-513-2911
NSN 5925-01-009-9799