MS27573A (NOTICE 2), MILITARY SPECIFICATION: CASE, INSTRUMENT, 2-3/4 INCH DIAL, WITH SUMP, FLANGE MOUNTED, AIRCRAFT (19 AUG 1994)
MS27573A (NOTICE 2), MILITARY SPECIFICATION: CASE, INSTRUMENT, 2-3/4 INCH DIAL, WITH SUMP, FLANGE MOUNTED, AIRCRAFT (19 AUG 1994).