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 6130-01-207-9299
NSN 5835-01-447-0467
NSN 7035-01-381-6185
NSN 5960-00-921-3792
NSN 6620-01-408-4464
NSN 6150-01-455-1014
NSN 6130-01-316-8564
NSN 6150-01-564-1772
NSN 6110-00-185-8147
NSN 5996-00-349-8885
NSN 5910-01-154-4763
NSN 6105-01-527-9928