5975-00-377-0650 (13217E7742)
5975-00-377-0650 is equivalent to manufacture part number 13217E7742. It is a lamp holder locknut and is classified under Federal Supply Class 5975 (5975 - Electrical Hardware and Supplies), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5975 - Electrical Hardware and Supplies and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.