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 5910-01-579-4145
NSN 5990-01-103-3572
NSN 6650-01-458-5872
NSN 5915-00-338-3375
NSN 5975-01-449-1798
NSN 6145-01-472-3796
NSN 5960-01-064-3292
NSN 6150-00-562-7728
NSN 6130-01-196-4545
NSN 6105-00-541-8472
NSN 4140-01-536-9823
NSN 5999-01-641-6472