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 5950-00-500-1262
NSN 5915-01-119-8051
NSN 6105-01-180-9064
NSN 6145-00-007-9977
NSN 5920-01-539-6045
NSN 5935-01-352-6336
NSN 5920-01-488-5055
NSN 5920-01-498-0847
NSN 5999-01-114-6313
NSN 5945-01-014-6741
NSN 5930-00-791-7547
NSN 6645-01-371-1632