NSN 5310-00-505-2721

Part Details | HEXAGON SLOTTED SELF-LOCKING NUT

5310-00-505-2721 A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes NUT (1), SELF-LOCKING, CASTELLATED, OCTAGON.

Alternate Parts: F12NE4753126, F12NE4753-126, F12NEC1216, F12NEC-1216, MS1782512, MS17825-12, 7F12NEC1216, 5310-00-505-2721, 00-505-2721, 5310005052721, 005052721

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 20, 197400-505-272129733 ( NUT, SELF-LOCKING, SLOTTED, HEXAGON )
REFERENCE DRAWINGS & PICTURES

SLOTTED, HEXAGON

Cross Reference | NSN 5310-00-505-2721
Part Number Cage Code Manufacturer
F12NE4753-12672962HARVARD INDUSTRIES INC
F12NEC-121672962HARVARD INDUSTRIES INC
MS17825-1296906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
7F12NEC121627678WALTER DANKAS & CO.
Technical Data | NSN 5310-00-505-2721
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE SLOTTED, HEXAGON
NUT HEIGHT0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
WIDTH ACROSS FLATS1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
BEARING SURFACE TYPE WASHER FACED
LOCKING FEATUREP$R
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL