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 6645-00-126-0286
NSN 5965-01-111-6031
NSN 5930-00-779-3405
NSN 6145-01-219-7306
NSN 5950-01-609-2810
NSN 5975-01-047-4719
NSN 5895-01-132-0465
NSN 6685-01-012-2597
NSN 6145-01-469-2368
NSN 5996-01-113-0377
NSN 5985-01-648-2503
NSN 4140-01-350-3277