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 4140-01-508-5454
NSN 5990-01-481-3080
NSN 5855-00-631-4565
NSN 5965-01-245-6585
NSN 5950-01-359-9531
NSN 5910-01-216-5693
NSN 5905-00-117-8014
NSN 6130-01-155-8926
NSN 6645-00-596-5388
NSN 5930-01-571-3695
NSN 5996-00-292-2629
NSN 6110-01-008-6654