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National Stock Number:
5307-01-176-6407
Federal Supply Class:
5307
National Item Identification Number:
011766407
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.
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Manufacturer Information:
| B490229 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING | | STYLE DESIGNATOR | RECESSED AND STEPPED | | LENGTH OF RECESSED PORTION OF SHANK | 1.710 INCHES MINIMUM AND | | 1.740 INCHES MAXIMUM | | DIAMETER OF RECESSED PORTION OF SHANK | 0.190 INCHES MINIMUM AND | | 0.195 INCHES MAXIMUM | | OVERALL LENGTH | 3.050 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF NUT THREAD | | UNJF STUD THREAD | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | 0.375 INCHES STUD THREAD | | THREAD CLASS | 3A NUT THREAD | | 3A STUD THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD | | 24 STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | RIGHT-HAND STUD THREAD | | THREAD LENGTH | 0.660 INCHES MINIMUM AND | | 0.690 INCHES MAXIMUM NUT THREAD | | 0.650 INCHES NOMINAL STUD THREAD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | K0378 | | DESIGN CONTROL REFERENCE | B490229 |
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