Quick view Add to Cart D-C Carbon Pile Voltage Regulator - Type 1042-17-A Document Part Number: T.O. No. 8D16-6-4, Formerly AN 03-5AA-50 Number of pages: 12Part Number: T.O. No. 8D16-6-4, Formerly AN 03-5AA-50Revision Date: 28-Feb-1957 MSRP: Was: Now: $15.00