A device primarily designed to determine by comparison the frequency characteristics of a piezoelectric crystal.
NSN 5999-01-258-9665
NSN 5930-01-304-2239
NSN 5930-00-451-8845
NSN 5950-00-565-9285
NSN 6320-01-247-0898
NSN 6620-01-474-4951
NSN 6240-01-100-1279
NSN 5835-01-345-0814
NSN 5985-01-010-0498
NSN 5965-01-423-8543
NSN 5895-01-359-2574
NSN 5990-00-399-2454