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 5930-01-160-7895
NSN 5999-00-295-5381
NSN 6105-00-322-9430
NSN 7035-00-803-3056
NSN 5999-01-464-4473
NSN 5835-00-408-5499
NSN 5999-00-772-1213
NSN 7035-00-205-1932
NSN 5960-01-057-2825
NSN 5945-00-947-2709
NSN 4140-01-184-1766
NSN 5910-00-948-9352