federal specification is qq-b-626; surface treatment ans classification is military specification mil-f-14072
An item designed to be attached in place of the mounting bushing nut and/or attached to the chassis or panel for a volume control, a variable capacitor or the like to permit locking the shaft in a fixed position.
Classification: Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90
NSN 6650-01-510-9488
NSN 6220-01-458-0742
NSN 5835-01-282-9768
NSN 5990-01-400-3299
NSN 6150-01-261-0706
NSN 6610-01-461-6182
NSN 7035-01-406-5232
NSN 5975-01-391-7176
NSN 6150-01-171-6789
NSN 4140-00-875-0649
NSN 5996-00-185-1372
NSN 6240-01-288-2944