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 5965-00-989-9345
NSN 6105-01-479-5494
NSN 6320-01-150-5378
NSN 5915-00-172-4896
NSN 7035-00-173-2281
NSN 5998-00-358-7353
NSN 6220-01-188-6962
NSN 6110-01-139-4646
NSN 5935-00-186-7760
NSN 6220-01-371-1115
NSN 5950-01-213-9351
NSN 5855-01-346-2881