Quick view Add to Cart Operation, Maintenance, & Overhaul Instructions for Diluter Demand Oxygen Regulator Document Part Number: NAVAIR 03-50A-48 Number of pages: 52Part Number: NAVAIR 03-50A-48Revision Date: 15-May-1970Description: Part Numbers: 2867-B2, 2867-7B-C1, 2872-B2, 2873-B2, 2874-B2 MSRP: Was: Now: $29.70