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National Stock Number:
5307-00-813-1720
Federal Supply Class:
5307
National Item Identification Number:
008131720
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:
| 389521P-003 | 77445 | RTX CORPORATION | | 389521P003 | 77445 | RTX CORPORATION | | 389521P3 | 02991 | THOMPSON AEROSPACE, LLC | | 389521P3 | 52661 | RTX CORPORATION | | 389521P3 | 56878 | SPS TECHNOLOGIES, LLC | | 389521P3 | 77445 | RTX CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7456 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | 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 | | SPECIAL FEATURES | THIS PART MEETS THE Y REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY | | STYLE DESIGNATOR | STEPPED | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD CLASS | 3A NUT THREAD | | THREAD LENGTH | 0.620 INCHES MINIMUM NUT THREAD | | THREAD LENGTH | 0.650 INCHES MINIMUM STUD THREAD | | THREAD PITCH DIAMETERS | +0.3422 TO 0.3437 INCHES STUD THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | THREAD SERIES DESIGNATOR | UNS STUD THREAD | | THREAD QUANTITY PER INCH | 16 STUD THREAD | | THREAD QUANTITY PER INCH | 24 NUT THREAD |
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