Ends chamferred 25 to 35 degrees angle
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 5999-01-241-8470
NSN 5950-01-086-9237
NSN 5998-01-121-8009
NSN 5998-01-449-0882
NSN 5945-00-257-1190
NSN 5855-01-417-3250
NSN 5945-00-769-6124
NSN 6650-01-243-3308
NSN 5975-01-507-0732
NSN 6240-00-012-5984
NSN 6645-01-629-9657
NSN 6135-01-492-5717