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 6650-00-964-9470
NSN 2925-01-218-5556
NSN 6620-01-253-0374
NSN 6620-01-234-1799
NSN 6685-01-437-8603
NSN 5855-00-285-8172
NSN 6105-01-068-4366
NSN 5905-01-528-7351
NSN 6610-00-342-0699
NSN 6135-01-242-6484
NSN 5996-00-135-4931
NSN 5990-01-089-9694