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 6645-00-770-3742
NSN 6320-01-611-4918
NSN 5998-00-371-5614
NSN 5910-01-042-0536
NSN 5925-00-939-4979
NSN 2925-01-209-9245
NSN 5930-01-139-1982
NSN 5915-01-453-8785
NSN 6150-00-075-9898
NSN 5915-00-521-8410
NSN 5950-00-137-4753
NSN 6135-01-303-0295