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 5965-00-161-1512
NSN 5990-00-201-1162
NSN 5915-01-574-0214
NSN 6150-01-263-4437
NSN 5950-00-825-8441
NSN 7035-01-336-0464
NSN 5910-00-431-7781
NSN 6610-01-119-7873
NSN 4140-01-273-7788
NSN 6130-01-067-6301
NSN 6145-00-822-8873
NSN 5998-00-627-6457