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 5990-01-081-0619
NSN 5998-01-624-8602
NSN 2925-01-301-1727
NSN 5925-01-462-5933
NSN 6105-01-517-9596
NSN 5965-01-631-2722
NSN 5990-01-324-1204
NSN 5935-01-627-4660
NSN 6610-01-555-8596
NSN 5855-00-631-4565
NSN 6110-00-193-2847
NSN 6135-01-526-6530