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National Stock Number:
5307-00-078-0345
Federal Supply Class:
5307
National Item Identification Number:
000780345
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.
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Manufacturer Information:
| AN151144 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 1.438 INCHES NOMINAL | | NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD | | SHANK DIAMETER | 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM | | STYLE DESIGNATOR | STEPPED | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD LENGTH | 0.562 INCHES NOMINAL STUD THREAD | | THREAD LENGTH | 0.625 INCHES NOMINAL NUT THREAD | | THREAD QUANTITY PER INCH | 16 STUD THREAD | | THREAD QUANTITY PER INCH | 24 NUT THREAD | | THREAD PITCH DIAMETERS | +0.3392 TO 0.3407 INCHES STUD THREAD | | THREAD SERIES DESIGNATOR | UNC STUD THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
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