NSN 5310-00-350-6303

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-350-6303 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Alternate Parts: 3016575, 70877428, 70877-428, 5310-00-350-6303, 00-350-6303, 5310003506303, 003506303

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 20, 197000-350-630329729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-350-6303
Part Number Cage Code Manufacturer
301657500198PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP.
70877-42856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-350-6303
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3BG
THREAD DIRECTION RIGHT-HAND
HARDNESS RATINGRCB40.0 ROCKWELL C MAXIMUM AND 43.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.438 INCHES MAXIMUM
OVERALL HEIGHT0.230 INCHES MAXIMUM
WASHER THICKNESS0.024 INCHES NOMINAL
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN