Quick view Add to Cart Illustrated Parts Breakdown for Diluter Demand Oxygen Regulator - Parts 2867-B2, 2867-7B-C1, 2872-B2, 2873-B2, and 2874-B2 Document Part Number: NAVWEPS 03-50A-49 Number of pages: 25Part Number: NAVWEPS 03-50A-49Revision Date: 15-Mar-1963 MSRP: Was: Now: $18.36