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 5895-00-764-1786
NSN 6110-01-647-0336
NSN 6650-01-659-8445
NSN 5990-00-501-4994
NSN 5920-01-464-2824
NSN 6110-01-601-2870
NSN 5835-00-785-0486
NSN 5996-01-632-2061
NSN 5895-01-487-4333
NSN 6320-01-616-0843
NSN 5990-00-373-9787
NSN 5895-01-030-0075