NSN 5310-00-432-3891

Part Details | HEXAGON CASTELLATED SELF-LOCKING NUT

5310-00-432-3891 A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped 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, SLOTTED, HEXAGON.

Alternate Parts: C33072027, C330-720-27, 5870372027, 58703-720-27, 5310-00-432-3891, 00-432-3891, 5310004323891, 004323891

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 14, 197100-432-389129725 ( NUT, SELF-LOCKING, CASTELLATED, HEXAGON )
REFERENCE DRAWINGS & PICTURES

CASTELLATED, HEXAGON

Cross Reference | NSN 5310-00-432-3891
Part Number Cage Code Manufacturer
C330-720-2781755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
58703-720-2756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-432-3891
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE CASTELLATED, HEXAGON
NUT HEIGHT0.316 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
WIDTH ACROSS FLATS0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL