AN904 (REV. 1) (NOTICE 1), MILITARY SPECIFICATION: GASKET AND UPWARD RECOGNITION LIGHT COVER (30 APR 1943)

AN904 (REV. 1) (NOTICE 1), MILITARY SPECIFICATION: GASKET AND UPWARD RECOGNITION LIGHT COVER (30 APR 1943)., This notice should be filed in front of AN904 REV 1 dated 30-APR-43. AN904 REV 1 is inactive for new design and is no longer used except for replacement purposes.