Quick view Add to Cart Overhaul Instructions with Parts Breakdown for Hydraulically Operated Air Shutoff Valve - Part 4-337-01 [nov24airfwam2] Document Part Number: NAVAER 03-30VA-501 Number of pages: 8Part Number: NAVAER 03-30VA-501Revision Date: 1-April-1956Description: Mfg By: Valveaire MSRP: Was: Now: $15.00