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 4140-01-012-1678
NSN 5999-00-687-1626
NSN 5925-01-509-9040
NSN 6240-01-068-3491
NSN 6150-01-649-6448
NSN 6685-00-990-3694
NSN 5905-01-534-5964
NSN 5998-01-433-0245
NSN 5965-00-026-9408
NSN 6240-00-474-5809
NSN 6150-01-555-7959
NSN 6150-01-149-0017