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 5855-01-335-8907
NSN 5855-01-512-1926
NSN 5945-00-550-0000
NSN 5998-00-059-6412
NSN 5990-01-316-0989
NSN 6685-01-425-5966
NSN 6130-01-276-7780
NSN 6240-01-474-6914
NSN 5998-01-022-2232
NSN 6650-00-035-9297
NSN 5945-01-464-2062
NSN 4140-00-781-5700