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 5930-00-617-5277
NSN 5910-00-959-0018
NSN 6645-01-215-0617
NSN 5998-01-337-7073
NSN 2925-00-247-6248
NSN 5910-00-244-1622
NSN 6320-01-501-7935
NSN 5835-00-155-1379
NSN 5915-00-679-3093
NSN 5895-01-542-8436
NSN 5950-01-634-0677
NSN 6645-01-411-5657