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 6650-01-174-5788
NSN 6145-01-393-8103
NSN 5910-01-515-4356
NSN 6645-01-505-5772
NSN 6645-01-073-5302
NSN 5965-01-545-8562
NSN 5985-01-306-9100
NSN 5965-01-241-0553
NSN 5925-00-204-9759
NSN 5960-01-426-4242
NSN 5925-01-497-5344
NSN 6110-01-317-1563