A device primarily designed to vary the frequency of a signal generated by a sonar transmitter to which it is directly connected.
Classification: Parts & accessories for direction finding compasses and other navigational instruments and appliances
NSN 5910-01-507-2360
NSN 4140-00-349-3581
NSN 5990-01-320-1412
NSN 5990-01-027-8260
NSN 5990-00-061-7911
NSN 4140-00-307-2732
NSN 5925-01-270-2736
NSN 7035-00-507-5380
NSN 5950-01-076-2206
NSN 6645-00-895-1515
NSN 5910-00-968-6405
NSN 6320-01-498-4954