Quick view Add to Cart Overhaul Instructions for Solenoid-Operated Hydraulic Control Valve - Part 51000 Document Part Number: NAVAER 03-30ET-514 Number of pages: 8Part Number: NAVAER 03-30ET-514Revision Date: 1-June-1956Description: Mfg By: Hydraulic Research MSRP: Was: Now: $15.00