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 5925-01-220-6147
NSN 5895-00-137-0439
NSN 7035-01-158-7673
NSN 6105-00-025-1797
NSN 5999-01-347-5875
NSN 5990-01-616-5242
NSN 5930-00-535-8504
NSN 5835-01-375-8930
NSN 5835-01-100-7405
NSN 7035-00-371-7749
NSN 6135-01-303-0295
NSN 5835-00-764-4388