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 4140-01-460-0440
NSN 6610-01-278-9704
NSN 5915-01-377-9666
NSN 6240-01-130-7854
NSN 5985-00-753-1397
NSN 7035-00-140-0474
NSN 5996-00-478-0197
NSN 5999-01-352-4860
NSN 6150-01-142-2692
NSN 6105-00-826-3432
NSN 5975-00-986-6186
NSN 6620-01-620-1060