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 4140-01-141-7692
NSN 5915-01-298-1437
NSN 5925-00-369-7747
NSN 5975-00-218-0414
NSN 6685-01-580-0669
NSN 5855-01-594-3944
NSN 5998-00-242-8594
NSN 7035-01-499-5473
NSN 2925-00-134-4827
NSN 7035-00-490-0485
NSN 6105-01-526-2878
NSN 5960-00-070-4399