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National Stock Number:
5307-99-109-0582
Federal Supply Class:
5307
National Item Identification Number:
991090582
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:
| 36AC3975 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY | | UBS21E11 | K0378 | ROLLS-ROYCE PLC | | UBS21E11 ZZ | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | BS NATIONAL SPEC SINGLE MATERIAL RESPONSE AND BS S106 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD | | SPECIAL FEATURES | NUT AND METAL(STUD)END THREAD LENGTHS 0.460 INCHES 0.650 INCHES RESPECTIVELY INCLUDING IMPERFECT THREAD | | SPECIAL TEST FEATURES | 248.0 MIN/302.0 MAX BRINEL HARDNESS TEST;123200 PSI MIN TENSILE STRENGTH | | SURFACE TREATMENT | CADMIUM | | THREAD CLASS | 2A NUT THREAD | | THREAD CLASS | 3A STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD QUANTITY PER INCH | 18 STUD THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD | | THREAD SERIES DESIGNATOR | UNC STUD THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
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