Quick view Add to Cart Illustrated Parts Breakdown for Voltage Regulator - Model GR28 Document Part Number: T.O. No. 8D16-3-4, Formerly 03-5AG-20 Number of pages: 10Part Number: T.O. No. 8D16-3-4, Formerly 03-5AG-20Revision Date: 24-May-1954Description: Mfg By: Jack & Heintz MSRP: Was: Now: $15.00