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 7035-01-660-9912
NSN 6610-01-304-3226
NSN 5915-00-538-6592
NSN 5835-01-125-6676
NSN 7035-01-169-6551
NSN 5835-01-654-4570
NSN 6105-01-225-4974
NSN 5998-01-255-8815
NSN 5945-00-142-4720
NSN 7035-01-604-6735
NSN 5835-01-492-4318
NSN 6220-00-272-7497