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 5975-00-073-8180
NSN 5945-01-122-3138
NSN 6150-01-100-4337
NSN 6240-00-816-1041
NSN 5945-01-399-7647
NSN 5999-00-828-0645
NSN 5915-01-226-8398
NSN 5985-01-370-3566
NSN 6645-01-249-3258
NSN 5925-01-510-0381
NSN 6650-00-008-6264
NSN 6650-01-647-3365