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 5835-00-146-9928
NSN 5975-01-140-7477
NSN 7035-00-205-1932
NSN 6130-00-450-1797
NSN 5930-00-420-3896
NSN 6610-00-845-4674
NSN 6645-00-153-3834
NSN 4140-01-364-6966
NSN 5985-00-826-1735
NSN 5855-01-335-8907
NSN 6130-01-212-3035
NSN 5996-00-943-3025