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 4140-01-045-9290
NSN 6150-00-962-8622
NSN 5950-01-250-6977
NSN 5999-01-308-4122
NSN 5975-00-553-7151
NSN 5996-01-056-1736
NSN 6620-00-495-7438
NSN 6220-01-106-2761
NSN 7035-01-298-5154
NSN 5935-00-584-7365
NSN 5990-01-140-5497
NSN 6135-01-187-0033