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 6645-01-591-1107
NSN 5950-00-460-0103
NSN 5835-01-290-9763
NSN 6320-00-331-7138
NSN 5990-00-106-6609
NSN 4140-00-608-5654
NSN 5925-01-525-7694
NSN 6145-01-214-4016
NSN 5905-01-065-7387
NSN 5975-01-107-4198
NSN 6150-01-412-0606
NSN 5996-00-244-6765