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 5950-01-010-5429
NSN 5935-01-381-1149
NSN 6620-01-207-0667
NSN 6135-01-226-4071
NSN 6320-01-209-0952
NSN 6240-00-104-4662
NSN 5975-01-152-2635
NSN 6650-01-028-7024
NSN 5925-01-484-1353
NSN 7035-01-099-2311
NSN 5985-01-503-0662
NSN 4140-00-499-5732