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 5915-00-989-6817
NSN 5910-01-334-6345
NSN 5985-01-023-9280
NSN 5999-01-211-7886
NSN 5965-01-068-2714
NSN 6105-01-580-5072
NSN 6110-00-849-2549
NSN 6240-00-193-0032
NSN 5930-01-339-5995
NSN 5965-01-353-0085
NSN 6105-00-475-0216
NSN 5960-00-314-0991