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 6685-01-540-8064
NSN 5930-01-602-5141
NSN 5960-01-350-2925
NSN 7035-00-623-4744
NSN 6130-01-270-3171
NSN 5855-01-350-4479
NSN 6145-00-275-4011
NSN 5835-00-484-1529
NSN 5998-01-571-8462
NSN 5895-00-238-4618
NSN 5985-01-490-3913
NSN 5975-00-355-9361