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 5855-01-328-7434
NSN 5965-01-578-1501
NSN 5925-00-251-3283
NSN 6130-00-678-8508
NSN 5895-01-144-0131
NSN 5930-01-121-4724
NSN 5999-01-305-1233
NSN 5905-01-220-3443
NSN 5985-01-570-3826
NSN 5975-00-973-2938
NSN 6130-00-960-0275
NSN 4140-01-383-1862