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 6150-01-386-5799
NSN 6620-01-098-9866
NSN 5999-00-021-9540
NSN 5920-01-576-8240
NSN 5935-01-344-6170
NSN 5999-00-117-9887
NSN 6130-01-292-3835
NSN 5985-01-233-0512
NSN 6220-00-244-2040
NSN 6320-01-453-5152
NSN 5935-00-462-7196
NSN 5965-00-083-8157