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 5935-01-313-6551
NSN 6150-01-501-2996
NSN 5990-01-065-0492
NSN 6135-00-182-7008
NSN 6220-01-431-7915
NSN 5855-00-151-3853
NSN 5855-01-541-5569
NSN 4140-01-168-1993
NSN 6150-00-171-9445
NSN 5905-01-378-9158
NSN 6150-00-025-0612
NSN 6320-00-931-4855