A device primarily designed to determine by comparison the frequency characteristics of a piezoelectric crystal.
NSN 2925-01-440-9912
NSN 5975-01-324-3457
NSN 6650-01-145-5173
NSN 5990-01-013-0793
NSN 5998-01-426-8026
NSN 5990-00-479-9157
NSN 6610-01-649-5326
NSN 5945-00-762-8215
NSN 6145-01-054-3874
NSN 5950-00-050-2597
NSN 5905-00-114-1644
NSN 6645-00-408-7443