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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.
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Manufacturer Information:
20330H | 02978 | RENK AMERICA LLC | 7378443 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
MATERIAL | STEEL COMP 8740 | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE | STYLE DESIGNATOR | STEPPED | SHANK DIAMETER | 0.285 INCHES MINIMUM AND | | 0.289 INCHES MAXIMUM | OVERALL LENGTH | 1.840 INCHES MINIMUM AND | | 1.880 INCHES MAXIMUM | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | UNC STUD THREAD | NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD | | 0.438 INCHES STUD THREAD | THREAD QUANTITY PER INCH | 24 NUT THREAD | | 14 STUD THREAD | THREAD PITCH DIAMETERS | 0.4005 TO 0.4023 INCHES STUD THREAD | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | RIGHT-HAND STUD THREAD | THREAD LENGTH | 0.610 INCHES MINIMUM NUT THREAD | | 0.800 INCHES MINIMUM STUD THREAD | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM |
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