NSN 5310-00-297-3722

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-297-3722 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: DHN 357, DHN 35-7, EB720, EB-720, EB070, EB-070, BH001637, BH00163-7, 12NH7, 12NH-7, EB720, 699734, 69973-4, EB070, EB720, EB070, EB-070, SS508806, SS5088-06, EB070, EB-070, 123717, 12371-7, 5310-00-297-3722, 00-297-3722, 5310002973722, 002973722

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-297-372229729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-297-3722
Part Number Cage Code Manufacturer
DHN 35-762554ALCOA GLOBAL FASTENERS INC.DBA SIMMONDS MECAERO FAS PDTS DIV
EB-72015653ARCONIC GLOBAL FASTENERS & RINGS,INC.
EB-07015653ARCONIC GLOBAL FASTENERS & RINGS,INC.
BH00163-727238BRISTOL INDUSTRIES
12NH-7019L2FITZ AEROSPACE, LLCDBA ESNA
EB72027687GREER STOP NUT INC.
69973-473030HAMILTON SUNDSTRAND CORPORATION
EB07072962HARVARD INDUSTRIES INC
EB720R1120SATAIR A/S
EB-070R1120SATAIR A/S
SS5088-0678286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
EB-07056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
12371-756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-297-3722
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
OVERALL HEIGHT0.516 INCHES NOMINAL
WASHER THICKNESS0.107 INCHES NOMINAL
WIDTH ACROSS FLATS0.550 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL