Description: Self locking nut.
Detail: THREAD: 4-40, SELF-LOCKING NUT, 800 DEG F, REDUCED HEXAGON, REDUCED HEIGHT, CORROSION AND HEAT RESISTANT STEEL, SILVER PLATED. SUBJECT TO NASM33588.
Alt. Part Number: NAS1291C04Possible NSN: 5310-00-878-3292
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