Material rubber acryonitrile butadiene copolymer class nbr
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 6240-01-299-6881
NSN 5996-01-185-7632
NSN 5950-01-422-2060
NSN 5905-01-420-5162
NSN 5975-00-166-5800
NSN 5985-01-642-7232
NSN 7035-01-293-3431
NSN 6240-01-381-5541
NSN 5895-01-028-1665
NSN 6105-00-977-3444
NSN 5920-01-325-2659
NSN 5998-00-707-5781