NSN 5310-00-255-5008

Part Details | DOUBLE HEXAGON SELF-LOCKING NUT

5310-00-255-5008 A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Alternate Parts: 55LH6521070, 55LH6521-070, STSCD00214, STSCD002-14, 684567, 68456-7, 684567, 68456-7, 5310-00-255-5008, 00-255-5008, 5310002555008, 002555008

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 20, 197300-255-500805276 ( NUT, SELF-LOCKING, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-255-5008
Part Number Cage Code Manufacturer
55LH6521-07072962HARVARD INDUSTRIES INC
STSCD002-1498897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
68456-750392SPS TECHNOLOGIES INC
68456-756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-255-5008
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATINGRCB38.0 ROCKWELL C MAXIMUM AND 45.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
NUT HEIGHT0.372 INCHES MAXIMUM
WIDTH ACROSS FLATS0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION SOLUBLE LUBRICANT
TEMP RATING-65.0 DEG FAHRENHEIT MINIMUM AND 450.0 DEG FAHRENHEIT MAXIMUM
BEARING SURFACE FINISH125.0 MICROINCHES