1440-00-737-8441 VALVE AND SLEEVE Index 1440-00-737-8444 VALVE AND SLEEVE

National Stock Number:
5307-00-737-8443

Federal Supply Class:
5307

National Item Identification Number:
007378443

Description:
STUD,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. THE ENTIRE UNTHREADED PORTION MUST BE OF A SINGLE DIAMETER EQUAL TO OR SMALLER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREADED END. INCLUDES RADIAL GROOVES OR THREAD RELIEFS. EXCLUDES ITEMS WITH TAPERED THREADS.


Manufacturer Information:
20330H02978RENK AMERICA LLC
737844319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.840 INCHES MINIMUM AND 1.880 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8740
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD
NOMINAL THREAD SIZE0.438 INCHES STUD THREAD
SHANK DIAMETER0.285 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
STYLE DESIGNATORSTEPPED
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.610 INCHES MINIMUM NUT THREAD
THREAD LENGTH0.800 INCHES MINIMUM STUD THREAD
THREAD QUANTITY PER INCH14 STUD THREAD
THREAD QUANTITY PER INCH24 NUT THREAD
THREAD PITCH DIAMETERS+0.4005 TO 0.4023 INCHES STUD THREAD
THREAD SERIES DESIGNATORUNC STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD


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