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National Stock Number:
5307-99-781-0361
Federal Supply Class:
5307
National Item Identification Number:
997810361
Description:
STUD,SHOULDERED
Detail:
A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS WITH THREADS OF THE SAME NOMINAL DIAMETER. ALL OR PART OF THE UNTHREADED SECTION HAS A CROSS-SECTIONAL DIAMETER GREATER THAN THE NOMINAL STUD SIZE PLUS 0.020 INCHES (0.508 MM). IT MAY BE THREAD RELIEVED. SEE ALSO STUD, LOCKED IN.
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Manufacturer Information:
| B496802 | K0378 | ROLLS-ROYCE PLC | | B496802 ZZ | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD | | OVERALL LENGTH | 2.217 INCHES NOMINAL | | SPECIAL FEATURES | 0.2435 IN. MIN,0.2480 IN. MAX MAJOR DIA OF THD ENDS;SURFACE FINISH AND LOCATION 63 MICROINCHES OUTSIDE FACES OF SHOULDERS 125 MICROINCHES OVERALL EXCEPT SHANK AND OUTSIDE FACES OF SHOULDERS | | SURFACE FINISH | 32.0 MICROINCHES SHANK | | THREAD CLASS | 3A NUT THREAD | | THREAD CLASS | 3A STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD LENGTH | 0.489 INCHES NOMINAL STUD THREAD | | THREAD LENGTH | 0.524 INCHES NOMINAL NUT THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD | | THREAD QUANTITY PER INCH | 28 STUD THREAD | | THREAD SERIES DESIGNATOR | UNJF NUT THREAD | | THREAD SERIES DESIGNATOR | UNJF STUD THREAD | | HARDNESS RATING | 308.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BSI HR 601 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL |
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