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 5996-00-519-9875
NSN 5960-00-239-9008
NSN 5855-01-398-9548
NSN 2925-00-789-1106
NSN 5945-01-291-4491
NSN 6620-01-462-5196
NSN 5895-01-544-8817
NSN 5920-00-107-2798
NSN 5945-00-035-4439
NSN 5990-01-147-5225
NSN 6130-01-561-2947
NSN 5996-01-025-5683