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 6145-01-093-5259
NSN 5950-00-202-5861
NSN 5915-00-797-7656
NSN 5965-00-035-4556
NSN 6135-01-017-3001
NSN 5835-01-356-6945
NSN 6130-00-862-7093
NSN 5990-01-501-2579
NSN 6150-00-243-9531
NSN 5999-01-384-2573
NSN 5998-00-342-2353
NSN 6105-01-430-1967