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 5945-01-304-2230
NSN 6240-01-510-4744
NSN 5998-01-100-5429
NSN 6240-01-054-7185
NSN 5999-00-199-9551
NSN 5998-01-012-2593
NSN 6135-01-097-9317
NSN 5985-01-604-8524
NSN 5930-01-223-8597
NSN 5985-01-370-7110
NSN 4140-01-260-8106
NSN 5905-01-561-5032