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 5895-01-573-7224
NSN 6610-01-602-3744
NSN 5996-00-670-0881
NSN 5915-01-417-3123
NSN 6110-00-889-1263
NSN 5855-00-058-1293
NSN 6130-00-869-0758
NSN 5975-00-918-5262
NSN 6320-01-420-0340
NSN 6145-00-775-0786
NSN 6240-01-049-4539
NSN 5998-01-113-7644