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 6610-01-630-7202
NSN 5895-01-194-1872
NSN 5920-01-190-9441
NSN 6105-00-541-8472
NSN 5975-00-151-7263
NSN 7035-01-434-0606
NSN 6135-01-445-6157
NSN 5920-00-233-8690
NSN 6240-01-177-3305
NSN 6145-01-451-5609
NSN 5920-00-797-3711
NSN 5975-01-270-4646