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National Stock Number:
5307-99-109-0576
Federal Supply Class:
5307
National Item Identification Number:
991090576
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:
| UBS21G23 | K0378 | ROLLS-ROYCE PLC | | UBS21G23 | K0680 | ROLLS-ROYCE AIRLINES | | UBS21G23 ZZ | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| DIAMETER OF RECESSED PORTION OF SHANK | 0.140 INCHES NOMINAL | | HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 302.0 BRINELL STANDARD MAXIMUM | | LENGTH OF RECESSED PORTION OF SHANK | 0.040 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | BS S96 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR BS S106 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | PLAIN SHANK DIAMETER | 0.200 INCHES NOMINAL | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD | | OFFSET YIELD STRENGTH | 123200 POUNDS PER SQUARE INCH | | OVERALL LENGTH | 2.950 INCHES NOMINAL | | SPECIAL FEATURES | NUT AND METAL(STUD)END THD LENGTHS 0.460 IN. 0.650 IN. RESPECTIVELY INCLUDING IMPERFECT THD | | STYLE DESIGNATOR | RECESSED AND STEPPED | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | A3A STUD THREAD | | THREAD CLASS | A2A NUT 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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