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.
Classification: Other instruments and apparatus, specially designed for telecommunications (for examle, cross-talk meters, gain measuring instruments etc)
NSN 6240-01-399-0343
NSN 6610-01-110-9415
NSN 2925-00-301-0933
NSN 6135-01-139-1700
NSN 5990-01-501-9094
NSN 5930-00-681-1145
NSN 6220-00-081-6429
NSN 4140-01-238-8371
NSN 5998-00-998-2439
NSN 6150-00-353-1403
NSN 6620-01-497-1746
NSN 5999-00-114-7948