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National Stock Number:
5307-00-297-2538
Federal Supply Class:
5307
National Item Identification Number:
002972538
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:
| ST1227P-003 | 63005 | ROLLS-ROYCE CORPORATION | | ST1227P-003 | 73342 | ALLISON TRANSMISSION INC | | ST1227P003 | 24617 | GENERAL MOTORS CORP | | ST1227P003 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE | | OVERALL LENGTH | 1.438 INCHES NOMINAL | | MATERIAL | STEEL COMP 8735 | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD | | SHANK DIAMETER | 0.250 INCHES NOMINAL | | STYLE DESIGNATOR | STEPPED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD LENGTH | 0.500 INCHES NOMINAL NUT THREAD | | THREAD LENGTH | 0.500 INCHES NOMINAL STUD THREAD | | THREAD PITCH DIAMETERS | +0.2819 TO 0.2834 INCHES STUD THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | THREAD SERIES DESIGNATOR | UNS STUD THREAD | | THREAD QUANTITY PER INCH | 18 STUD THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD |
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