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 5945-00-255-1548
NSN 5855-01-191-3404
NSN 6240-01-650-5348
NSN 6150-01-130-2469
NSN 5915-00-422-5222
NSN 6645-01-316-4900
NSN 5915-00-781-3019
NSN 6220-01-397-5678
NSN 6685-00-892-2454
NSN 5999-01-364-7931
NSN 5910-00-137-0723
NSN 5835-01-267-3388