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 5930-01-597-1644
NSN 6240-00-238-8528
NSN 6645-01-494-3845
NSN 5835-00-071-5739
NSN 5930-00-205-0136
NSN 5990-00-949-6478
NSN 5915-00-854-8154
NSN 5920-01-173-8212
NSN 6610-01-066-9197
NSN 6150-01-237-5998
NSN 6240-01-025-2553
NSN 5835-00-588-2196