Two or more different types of items having a common mounting or mounted on each other which together form a portion of a hydrophone but which in itself is not a complete functioning item and cannot be assigned a more definite item name.
Classification: Parts & accessories for direction finding compasses and other navigational instruments and appliances
NSN 6145-01-617-3773
NSN 6650-01-534-3587
NSN 7035-01-475-9017
NSN 5998-01-039-3717
NSN 6645-01-488-5466
NSN 5925-01-097-7046
NSN 5910-01-378-6721
NSN 5950-00-241-8081
NSN 5990-01-443-2931
NSN 5999-00-898-4590
NSN 5990-01-470-2420
NSN 6320-01-229-6479