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 4140-00-277-6285
NSN 6145-01-097-0746
NSN 6130-01-353-4901
NSN 5950-01-526-0182
NSN 5910-01-139-4383
NSN 2925-00-064-6629
NSN 6145-01-420-0954
NSN 6240-00-097-1041
NSN 5975-00-936-7377
NSN 6130-01-093-5804
NSN 6240-01-350-4959
NSN 5950-01-474-5576