23 to 27 degrees angle from od to id
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 5950-01-397-8427
NSN 5915-00-106-2868
NSN 5920-01-087-3725
NSN 6145-01-560-3518
NSN 5935-01-346-0786
NSN 4140-01-395-6572
NSN 5996-01-008-4456
NSN 4140-00-350-9401
NSN 5945-01-147-5377
NSN 7035-01-169-6551
NSN 6105-00-876-0533
NSN 6220-00-198-5026