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 5960-01-353-3302
NSN 4140-01-526-4090
NSN 5935-00-583-3152
NSN 6145-01-463-9205
NSN 5990-01-507-7495
NSN 6220-01-252-9531
NSN 6130-01-114-6350
NSN 5985-00-815-3512
NSN 5950-00-273-4003
NSN 2925-01-565-6410
NSN 6685-01-117-2925
NSN 7035-01-553-6343