An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. the basic instrument cannot function without one or more plug-in units (as required) in position.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6620-01-212-4298
NSN 6240-01-468-5576
NSN 5990-01-425-2175
NSN 5895-01-010-3102
NSN 5855-00-138-2386
NSN 2925-01-103-4499
NSN 5855-01-583-1037
NSN 5935-01-412-0240
NSN 2925-01-032-3814
NSN 5999-00-542-0541
NSN 5990-01-271-8130
NSN 6110-01-472-1963