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 6610-01-271-1205
NSN 5855-01-398-6704
NSN 6145-01-264-9199
NSN 6110-01-500-0354
NSN 5998-01-629-4529
NSN 6150-01-369-3997
NSN 5985-00-302-9394
NSN 6610-00-960-7863
NSN 6130-01-607-8366
NSN 4140-01-093-6435
NSN 5935-01-341-1659
NSN 7035-01-473-3223