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 5996-00-567-8946
NSN 6135-00-299-6918
NSN 6610-01-476-7412
NSN 5920-01-366-3537
NSN 2925-01-633-4048
NSN 4140-01-634-0330
NSN 6105-01-593-7112
NSN 5975-01-321-4472
NSN 5935-00-258-9031
NSN 6240-01-420-6495
NSN 5950-01-459-7961
NSN 5910-00-784-1010