Description: Self locking nut.
Detail: THREAD: 4-40, SELF-LOCKING NUT, 450 DEG F, REDUCED HEXAGON, REDUCED HEIGHT, CAD-PLATED STEEL, NO DRY FILM LUBE. SUBJECT TO NASM33588.
Alt. Part Number: NAS1291X04Possible NSN: 5310-00-811-6419
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