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 5945-01-324-0144
NSN 6620-01-486-5123
NSN 6650-01-576-8520
NSN 2925-01-520-4194
NSN 5960-00-872-0531
NSN 5905-00-784-0945
NSN 2925-01-140-1015
NSN 6145-00-940-9555
NSN 6105-00-823-2605
NSN 5990-01-114-5095
NSN 6645-00-498-6869
NSN 5965-01-509-9397