An item, which includes a light or heat source and an optical system, designed to assist in the alignment of the optical system of infrared equipment.
NSN 5925-01-199-6033
NSN 5990-00-889-9634
NSN 5950-00-073-0648
NSN 2925-00-933-0200
NSN 5930-01-111-4886
NSN 5895-00-139-0975
NSN 6620-00-216-6416
NSN 5905-00-792-6245
NSN 5915-01-398-0633
NSN 5935-00-733-3236
NSN 4140-00-492-2468
NSN 6135-00-437-5182