As modified by fscm 26512 source controlling ref 1128scsea801-5
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 5895-00-798-5798
NSN 6645-00-435-5610
NSN 6645-00-033-8714
NSN 5999-01-401-5322
NSN 6110-01-388-2958
NSN 5930-00-423-0296
NSN 4140-01-583-4988
NSN 6135-00-990-1822
NSN 5910-00-953-8490
NSN 5945-01-349-0897
NSN 5996-01-502-9101
NSN 6110-00-905-4858