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 6105-01-364-2104
NSN 5835-00-729-9305
NSN 5910-01-208-2664
NSN 5975-01-383-4766
NSN 6610-01-367-5110
NSN 5998-00-324-0878
NSN 6645-01-425-2330
NSN 5930-01-359-3081
NSN 5930-01-634-0659
NSN 5920-00-409-3650
NSN 6150-00-188-2958
NSN 6105-01-151-9354