5935-00-573-0093 (W-L-142TY11)
5935-00-573-0093 is equivalent to manufacture part number 421. It is a lampholder adapter and is classified under Federal Supply Class 5935 (5935 - Electrical Connectors), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5935 - Electrical Connectors and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.