1560-01-132-5857 (FCB-59975)
1560-01-132-5857 is equivalent to manufacture part number FCB-59975. It is a helical insert domenut and is classified under Federal Supply Class 1560 (1560 - Airframe Structural Components), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 1560 - Airframe Structural Components and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.