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 5996-01-385-0884
NSN 5920-01-538-5737
NSN 6135-00-990-1822
NSN 6650-01-519-3818
NSN 5950-01-408-5178
NSN 6650-01-623-8016
NSN 6650-01-431-9625
NSN 5855-01-597-4404
NSN 5915-00-226-3403
NSN 5998-00-341-9854
NSN 5945-01-080-0904
NSN 5920-01-197-5097