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 6220-01-198-4842
NSN 6320-01-476-7702
NSN 7035-00-631-3782
NSN 5999-01-032-9830
NSN 5945-00-034-6740
NSN 2925-00-185-1618
NSN 5996-00-930-8127
NSN 5935-00-818-7592
NSN 5985-01-122-9177
NSN 5855-00-586-6255
NSN 6685-01-106-3210
NSN 4140-01-307-0272