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National Stock Number:
5307-01-256-4531
Federal Supply Class:
5307
National Item Identification Number:
012564531
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:
| 65850-05015-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DISTANCE ACROSS FLATS | 1.125 INCHES NOMINAL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 4340 | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.500 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD | | NUT END SHANK DIAMETER | 0.437 INCHES NOMINAL | | NUT END SHANK LENGTH | 7.077 INCHES NOMINAL | | OVERALL LENGTH | 9.828 INCHES NOMINAL | | SHOULDER DIAMETER | 1.250 INCHES NOMINAL | | SHOULDER LENGTH | 0.375 INCHES NOMINAL | | STUD END SHANK DIAMETER | 0.437 INCHES NOMINAL | | STUD END SHANK LENGTH | 1.500 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 CL 2 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | | THREAD CLASS | 3A NUT THREAD | | THREAD CLASS | 3A STUD THREAD | | THREAD DIRECTION | LEFT-HAND STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD LENGTH | 0.438 INCHES NOMINAL NUT THREAD | | THREAD LENGTH | 0.438 INCHES NOMINAL STUD THREAD | | THREAD QUANTITY PER INCH | 20 NUT THREAD | | THREAD QUANTITY PER INCH | 20 STUD THREAD | | THREAD SERIES DESIGNATOR | UNJF NUT THREAD | | THREAD SERIES DESIGNATOR | UNJF STUD THREAD |
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