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 6220-01-337-2933
NSN 5996-01-172-6078
NSN 5910-01-247-0807
NSN 6130-00-393-5039
NSN 5960-00-699-8146
NSN 6620-01-521-9710
NSN 5855-01-394-3688
NSN 5945-00-323-2163
NSN 6145-00-136-9132
NSN 5835-00-419-0575
NSN 5996-00-781-8993
NSN 6645-01-374-6343