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 6150-01-562-0987
NSN 5990-01-620-6736
NSN 5835-01-130-8052
NSN 7035-00-727-4068
NSN 5925-00-246-4645
NSN 5945-00-190-4185
NSN 5996-01-246-2472
NSN 4140-00-660-8699
NSN 6645-01-422-1374
NSN 6220-01-209-0030
NSN 4140-01-161-2741
NSN 5920-01-557-4500