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 5925-01-441-9569
NSN 2925-01-233-8545
NSN 5998-01-175-7528
NSN 6685-01-555-0526
NSN 4140-01-058-6603
NSN 6685-01-342-2076
NSN 5996-01-565-4917
NSN 5925-00-027-2102
NSN 5895-01-370-4323
NSN 5945-00-516-8761
NSN 6130-01-064-8606
NSN 5950-00-751-9738