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 5925-01-164-0837
NSN 6620-00-317-7820
NSN 5905-00-982-4265
NSN 5835-00-554-0399
NSN 4140-00-057-5597
NSN 5985-01-300-4466
NSN 5960-01-354-0762
NSN 5915-00-840-1717
NSN 6105-01-393-4266
NSN 5965-00-627-8382
NSN 7035-00-763-5363
NSN 5925-01-354-3573