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 6610-01-627-0642
NSN 5915-00-929-2063
NSN 6620-01-480-2648
NSN 6110-01-237-1158
NSN 6610-01-101-5909
NSN 5915-01-205-7498
NSN 6145-00-401-2404
NSN 5985-01-024-6587
NSN 5999-00-657-3435
NSN 6130-00-234-5858
NSN 6130-01-359-8638
NSN 6610-01-469-2408