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 6110-00-065-7505
NSN 6645-01-633-1852
NSN 6110-01-418-3357
NSN 6220-00-890-9387
NSN 7035-01-297-9806
NSN 5990-00-090-3829
NSN 5920-01-094-7284
NSN 6220-01-261-2488
NSN 5975-01-071-7749
NSN 5985-00-952-1025
NSN 5990-01-157-0441
NSN 6135-00-593-6831