Furnished with one butadiene-acrylonitrile quad ring expander
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 5915-01-264-8120
NSN 5999-00-547-8724
NSN 4140-01-168-7685
NSN 6620-01-364-7461
NSN 5835-01-390-4667
NSN 5960-00-814-6770
NSN 6150-01-228-1258
NSN 6130-01-392-3491
NSN 5930-01-358-3499
NSN 6240-00-161-8099
NSN 5996-01-365-2246
NSN 6145-01-523-2004