An item specifically designed to wholly, or in part, enclose the device securing the knob in position. It may have reference markings constant with functional requirements.
Classification: Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90
NSN 5915-00-125-2504
NSN 6240-01-414-6074
NSN 6240-01-645-4797
NSN 6220-01-591-4071
NSN 5998-01-285-3405
NSN 2925-01-629-9416
NSN 6610-00-862-8540
NSN 6650-01-195-3957
NSN 5950-01-178-6049
NSN 5998-01-065-0346
NSN 6240-00-959-7025
NSN 5835-01-432-1277