NSN 5310-00-515-7554

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-515-7554 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: 12NH20, 12NH-20, EB202, EB-202, 102B5559, 102B5559, 5310-00-515-7554, 00-515-7554, 5310005157554, 005157554

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-515-755429729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-515-7554
Part Number Cage Code Manufacturer
12NH-20019L2FITZ AEROSPACE, LLCDBA ESNA
EB-202019L2FITZ AEROSPACE, LLCDBA ESNA
102B555997993GENERAL DYNAMICS DEFENSE SYSTEMSINC.
102B555924446GENERAL ELECTRIC COMPANY
Technical Data | NSN 5310-00-515-7554
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE1.250 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM
OVERALL HEIGHT1.406 INCHES NOMINAL
WASHER THICKNESS0.500 INCHES NOMINAL
WIDTH ACROSS FLATS1.490 INCHES MINIMUM AND 1.507 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL