A device primarily designed to determine by comparison the frequency characteristics of a piezoelectric crystal.
NSN 5990-01-633-9503
NSN 6105-01-483-1506
NSN 5910-01-347-7118
NSN 5925-00-160-4747
NSN 6220-00-847-8347
NSN 7035-01-646-0272
NSN 5930-01-623-1996
NSN 6650-01-135-7472
NSN 6320-00-405-2348
NSN 5945-01-092-1608
NSN 5945-01-161-6202
NSN 5895-01-204-8433