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 4140-00-853-3889
NSN 5990-01-020-6841
NSN 6135-00-985-7846
NSN 6240-00-406-1510
NSN 2925-00-749-8893
NSN 5950-01-577-1632
NSN 5950-00-077-2120
NSN 6620-01-106-3553
NSN 2925-01-068-3844
NSN 6685-00-316-9259
NSN 6150-01-277-3608
NSN 6620-00-575-9230