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 5960-01-252-8821
NSN 5920-01-422-7044
NSN 6650-01-163-6330
NSN 4140-00-800-3087
NSN 5998-01-424-0464
NSN 5910-00-253-6973
NSN 5996-01-343-9962
NSN 6150-01-285-1473
NSN 6240-01-212-3529
NSN 4140-01-502-9649
NSN 5998-01-252-8803
NSN 5920-01-547-0278