NSN 5310-00-488-9137

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-488-9137 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: EB428, EB-428, EB048, EB048, 12NH4, 12NH-4, EB048, EB048, 7792554, EB048, 9026171, 11745808, 5310-00-488-9137, 00-488-9137, 5310004889137, 004889137

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-488-913729729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-488-9137
Part Number Cage Code Manufacturer
EB-42815653ARCONIC GLOBAL FASTENERS & RINGS,INC.
EB04812770ARNOLD ENGINEERING CO PACIFIC DIVDIV OF SPS TECHNOLOGIES
EB04897499BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER
12NH-4019L2FITZ AEROSPACE, LLCDBA ESNA
EB04872962HARVARD INDUSTRIES INC
EB048000Y2MILLS/STERLING AEROSPACE INC
779255419205SPRINGFIELD ARMORY
EB04856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
902617118876U S ARMY AVIATION AND MISSILECOMMAND
1174580819200US ARMY ARDEC RDECOM
Technical Data | NSN 5310-00-488-9137
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
OVERALL HEIGHT0.334 INCHES NOMINAL
WASHER THICKNESS0.090 INCHES NOMINAL
WIDTH ACROSS FLATS0.362 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL