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 5895-01-054-3661
NSN 6650-00-840-9758
NSN 6685-01-194-3931
NSN 6130-01-611-6306
NSN 5960-01-278-2852
NSN 5945-00-756-9707
NSN 4140-01-452-2980
NSN 5835-01-301-0022
NSN 5996-01-504-4270
NSN 5990-01-541-5632
NSN 6645-00-819-5045
NSN 6650-01-484-9505