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 5920-01-189-3909
NSN 6240-01-153-2861
NSN 4140-00-318-0159
NSN 5905-01-462-2640
NSN 6320-00-593-0379
NSN 6150-00-902-3313
NSN 5945-00-020-9527
NSN 6620-00-273-8735
NSN 5975-00-388-9589
NSN 6610-01-089-2487
NSN 6650-01-190-2304
NSN 5855-00-281-3843