NSN 5310-00-431-0629

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-431-0629 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: LH97564K, LH9756-4K, LH97564K, LH9756-4K, 3016549, 5310-00-431-0629, 00-431-0629, 5310004310629, 004310629

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 11, 197000-431-062929729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-431-0629
Part Number Cage Code Manufacturer
LH9756-4K019L2FITZ AEROSPACE, LLCDBA ESNA
LH9756-4K72962HARVARD INDUSTRIES INC
301654900198PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP.
Technical Data | NSN 5310-00-431-0629
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3BG
THREAD DIRECTION RIGHT-HAND
HARDNESS RATINGRCB39.0 ROCKWELL C MAXIMUM AND 46.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.430 INCHES MAXIMUM
OVERALL HEIGHT0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
WASHER THICKNESS0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN