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 5950-01-536-9618
NSN 6135-00-321-6707
NSN 5950-01-063-7875
NSN 6135-01-385-7276
NSN 5950-01-237-2573
NSN 5950-00-522-9618
NSN 6620-01-519-2628
NSN 6130-00-121-3696
NSN 5855-01-205-7030
NSN 6645-00-449-3613
NSN 6645-01-134-2976
NSN 4140-01-325-6696