Quick view Add to Cart Illustrated Parts Breakdown for Voltage Regulator - Model GR-28 Document Part Number: T.O. No. 8D16-3-4 Number of pages: 8Part Number: T.O. No. 8D16-3-4Revision Date: 15-Aug-1959Description: Mfg By: Jack & Heintz MSRP: Was: Now: $15.00