5320-00-062-7506 (78456-820)
5320-00-062-7506 is equivalent to manufacture part number 78456-820. It is a extended washer self-locking nut and is classified under Federal Supply Class 5320 (5320 - Rivets), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5320 - Rivets and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.