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 6645-00-916-5615
NSN 6620-01-275-9777
NSN 5998-01-495-6764
NSN 6610-01-023-6073
NSN 6220-01-084-0287
NSN 6320-00-521-9350
NSN 5945-00-394-1218
NSN 5925-01-178-8962
NSN 7035-01-459-8268
NSN 7035-01-429-0431
NSN 5905-01-618-9926
NSN 5950-01-367-6327