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 4140-01-056-4453
NSN 6240-01-308-6368
NSN 2925-01-411-0896
NSN 5985-01-211-6549
NSN 5945-01-214-6437
NSN 5905-01-630-0627
NSN 4140-00-816-7049
NSN 6150-01-238-0322
NSN 5950-01-435-5478
NSN 6610-01-549-8006
NSN 5975-01-551-2941
NSN 5930-01-204-6138