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 5985-00-023-9324
NSN 5950-01-646-5720
NSN 6610-01-496-6758
NSN 5999-01-371-3169
NSN 6135-01-449-2144
NSN 6145-01-306-2436
NSN 6320-00-224-3538
NSN 5985-01-181-4837
NSN 5990-00-170-4239
NSN 6150-01-433-8899
NSN 5930-01-535-6715
NSN 6320-01-481-7322