Two or more different types of items having a common mounting or mounted on each other which together form a portion of a periscope subassembly but which in itself is not a complete functioning item and cannot be assigned a more definite item name.
Classification: Periscopes, telescopes designed to form parts of machines, nesoi
NSN 6650-01-258-6939
NSN 6220-00-936-8601
NSN 5905-01-467-9990
NSN 5999-00-099-6889
NSN 6685-00-634-9964
NSN 5975-01-648-2592
NSN 6135-00-262-6807
NSN 5945-01-449-7909
NSN 4140-01-634-0330
NSN 2925-01-556-0333
NSN 5960-01-462-1864
NSN 5990-00-241-3780