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 6135-01-278-9717
NSN 5855-01-509-6872
NSN 6145-01-112-0397
NSN 2925-01-503-6792
NSN 6650-01-370-5265
NSN 5895-01-207-0753
NSN 5905-01-156-0219
NSN 5960-01-380-0885
NSN 5960-01-503-0362
NSN 6220-01-485-8464
NSN 6240-00-973-2095
NSN 5975-01-267-3479