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 5965-00-460-8913
NSN 5895-01-616-8397
NSN 5855-01-003-7102
NSN 5895-01-551-1391
NSN 6685-00-942-1794
NSN 5990-00-295-0968
NSN 6135-01-469-7574
NSN 5915-01-181-5603
NSN 5895-01-381-6574
NSN 6685-01-350-9216
NSN 5960-00-335-3394
NSN 5960-01-423-1085