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 6645-01-297-2081
NSN 6135-01-454-9408
NSN 5965-00-866-3371
NSN 5945-01-120-9120
NSN 5910-00-432-9279
NSN 6320-01-358-0141
NSN 6620-01-138-0089
NSN 5935-00-978-8069
NSN 6135-01-010-0891
NSN 5960-01-478-9493
NSN 5945-01-120-5957
NSN 6130-01-647-9139