1025-00-945-4768 RING ASSEMBLY Index 5307-00-945-4770 STUD,RECESSED AND STEPPED

National Stock Number:
5307-00-945-4769

Federal Supply Class:
5307

National Item Identification Number:
009454769

Description:
STUD,RECESSED 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. THE UNTHREADED SECTION MUST HAVE MORE THAN ONE DIAMETER, NONE OF WHICH MAY BE LARGER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREAD. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPERED THREADS.


Manufacturer Information:
634H20AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
DIAMETER OF RECESSED PORTION OF SHANK0.180 INCHES MINIMUM AND 0.184 INCHES MAXIMUM
DISTANCE ACROSS FLATS0.200 INCHES NOMINAL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
LENGTH OF RECESSED PORTION OF SHANK0.390 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
OVERALL LENGTH2.130 INCHES MINIMUM AND 2.170 INCHES MAXIMUM
MATERIALSTEEL
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD CLASS3A NUT THREAD
THREAD LENGTH0.510 INCHES MINIMUM NUT THREAD
THREAD LENGTH0.580 INCHES MINIMUM STUD THREAD
THREAD PITCH DIAMETERS+0.2840 TO 0.2855 INCHES STUD THREAD
THREAD SERIES DESIGNATORUNC STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD QUANTITY PER INCH18 STUD THREAD
THREAD QUANTITY PER INCH28 NUT THREAD


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