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 5935-00-187-2885
NSN 6610-01-632-3364
NSN 6130-01-192-4171
NSN 6130-01-175-9852
NSN 5915-01-029-4128
NSN 5999-00-932-3690
NSN 6145-01-433-0453
NSN 6110-01-503-5041
NSN 5945-01-331-0591
NSN 6110-01-484-7181
NSN 6645-01-544-3581
NSN 6110-01-373-6096