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 2925-01-424-0235
NSN 5950-01-411-6981
NSN 6150-01-336-1653
NSN 6135-01-166-5042
NSN 6130-01-219-9065
NSN 6150-00-144-7115
NSN 7035-01-432-2424
NSN 7035-00-283-3112
NSN 6130-01-442-7863
NSN 4140-01-298-8193
NSN 6135-01-535-2307
NSN 5855-01-383-6860