Material is disogrin and shall be procured from freudenberg-nok cage 91251
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 5985-01-421-3495
NSN 5905-00-687-2121
NSN 5910-01-113-6447
NSN 5935-00-869-9364
NSN 5996-00-552-1406
NSN 5998-00-342-9955
NSN 6105-00-140-1689
NSN 5855-01-600-0486
NSN 6135-00-613-1068
NSN 5985-01-143-0227
NSN 5905-01-168-1099
NSN 5855-01-417-3250