NSN 5310-00-438-5501

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-438-5501 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: PS120829, PS1208-29, LH75594, LH7559-4, 5310-00-438-5501, 00-438-5501, 5310004385501, 004385501

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 05, 196900-438-550129729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-438-5501
Part Number Cage Code Manufacturer
PS1208-2970255EMERSON ELECTRIC COALCO CONTROLS DIV
LH7559-472962HARVARD INDUSTRIES INC
Technical Data | NSN 5310-00-438-5501
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 DIAMETER0.420 INCHES MAXIMUM
OVERALL HEIGHT0.219 INCHES MAXIMUM
WASHER THICKNESS0.040 INCHES NOMINAL
WIDTH ACROSS FLATS0.281 INCHES NOMINAL
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION DRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL