5360-00-338-5255 SPRING Index 5360-00-338-5258 SPRING

National Stock Number:
5307-00-338-5257

Federal Supply Class:
5307

National Item Identification Number:
003385257

Description:
STUD,SHOULDERED AND STEPPED

Detail:
A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS, ON WHICH THE NOMINAL DIAMETER OF ONE THREADED SECTION IS GREATER THAN THE OTHER. ALL OR PART OF THE UNTHREADED SECTION IS GREATER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGEST THREADED SECTION. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPERED THREADS. SEE ALSO STUD, LOCKED IN.


Manufacturer Information:
45936398897LOCKHEED MARTIN CORP


Techincal Specification:
COTTER PIN HOLE DIAMETER0.068 INCHES MINIMUM AND 0.073 INCHES MAXIMUM FIRST HOLE
DISTANCE ACROSS FLATS0.625 INCHES NOMINAL
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END0.200 INCHES NOMINAL AND 0.672 INCHES NOMINAL AND 3.558 INCHES NOMINAL FIRST HOLE
OVERALL LENGTH3.761 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8630
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD
NOMINAL THREAD SIZE0.190 INCHES NUT THREAD
NUT END SHANK LENGTH1.321 INCHES NOMINAL
NUT END SHANK DIAMETER0.312 INCHES NOMINAL
SHOULDER LENGTH0.230 INCHES NOMINAL
STUD END SHANK DIAMETER0.186 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD CLASS3A NUT THREAD
THREAD CLASS3A STUD THREAD
THREAD LENGTH0.465 INCHES NOMINAL NUT THREAD
THREAD LENGTH0.470 INCHES NOMINAL STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD SERIES DESIGNATORUNF STUD THREAD
THREAD QUANTITY PER INCH24 STUD THREAD
THREAD QUANTITY PER INCH32 NUT THREAD


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