NSN 5310-00-905-2123

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-905-2123 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: FN26428, FN26-428, 5310-00-905-2123, 00-905-2123, 5310009052123, 009052123

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-905-212329729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-905-2123
Part Number Cage Code Manufacturer
FN26-42856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-905-2123
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATING43.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.475 INCHES MAXIMUM
OVERALL HEIGHT0.355 INCHES MAXIMUM
WASHER THICKNESS0.015 INCHES MINIMUM
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION SOLUBLE LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL