NSN 5310-00-297-3713

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-297-3713 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: 12NH18, 12NH-18, EB182, EB182, 5310-00-297-3713, 00-297-3713, 5310002973713, 002973713

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-297-371329729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-297-3713
Part Number Cage Code Manufacturer
12NH-18019L2FITZ AEROSPACE, LLCDBA ESNA
EB18272962HARVARD INDUSTRIES INC
EB18256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-297-3713
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE1.125 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
OVERALL HEIGHT1.296 INCHES NOMINAL
WASHER THICKNESS0.438 INCHES NOMINAL
WIDTH ACROSS FLATS1.365 INCHES MINIMUM AND 1.382 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL