Quick view Add to Cart Handbook of Instructions with Parts Catalog for Type A-10 Revised Oxygen Mask Document Part Number: T.O. No. 03-50B-1 Number of pages: 20Part Number: T.O. No. 03-50B-1Revision Date: 20-May-1944Description: Manufactured by: Acushnet Process Company MSRP: Was: Now: $16.26