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 6620-01-069-0912
NSN 5910-00-215-6727
NSN 6645-01-004-7768
NSN 6135-01-045-1504
NSN 5915-01-590-7375
NSN 4140-01-590-4917
NSN 5965-01-276-4650
NSN 6105-00-874-9364
NSN 5895-01-152-1947
NSN 5930-01-031-7691
NSN 5996-00-480-3258
NSN 7035-01-145-5059