No other part numbers with same form, fit, and function found.
A small, tubular item utilizing an eyepiece, cross hair reticle, and an objective lens, to align the optical axis to the mechanical axis of a telescopic instrument. It does not have the viewing power of a telescope. It may have two like items secured in a common holder for simultaneous checking of a dual optical system.
NSN 5855-01-608-2417
NSN 5855-01-118-6001
NSN 6105-01-447-5129
NSN 7035-00-126-1899
NSN 5930-00-916-5035
NSN 6150-00-938-2973
NSN 5930-01-412-6614
NSN 6105-00-516-2151
NSN 6135-00-128-1633
NSN 5915-01-501-9597
NSN 6240-00-960-8458
NSN 5855-01-195-1863