X shaped
No other part numbers with same form, fit, and function found.
A device utilizing a cross-hair reticle for alignment of the axis of a gun bore with the line of sight of an optical instrument. It may be designed for use under all weather conditions. Excludes borescope; and collimator (as modified).
NSN 5998-01-372-1859
NSN 5996-01-421-4417
NSN 5915-00-463-6623
NSN 4140-01-417-2611
NSN 6240-01-601-1617
NSN 6240-00-870-0423
NSN 5996-00-158-9572
NSN 6110-01-228-5928
NSN 6610-00-553-4741
NSN 7035-01-289-0684
NSN 6105-00-068-8689
NSN 5960-01-344-2604