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 6220-01-600-0257
NSN 6650-01-423-9772
NSN 5996-00-805-9340
NSN 6645-01-511-3272
NSN 5910-01-549-8572
NSN 6145-01-319-5311
NSN 5895-01-291-9952
NSN 4140-00-905-6570
NSN 5895-01-006-7932
NSN 5920-01-457-6741
NSN 6240-00-983-4583
NSN 6145-01-375-2972