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National Stock Number:
5307-00-559-0123
Federal Supply Class:
5307
National Item Identification Number:
005590123
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:
| SC245-3-919A | 01556 | STANLEY ENGINEERED FASTENING LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL C FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED AND STEPPED | | LENGTH OF RECESSED PORTION OF SHANK | 0.667 INCHES MINIMUM AND | | 0.807 INCHES MAXIMUM | | DIAMETER OF RECESSED PORTION OF SHANK | 0.242 INCHES NOMINAL | | OVERALL LENGTH | 1.749 INCHES MINIMUM AND | | 1.769 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | UNC STUD THREAD | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | 0.312 INCHES STUD THREAD | | THREAD CLASS | 3A NUT THREAD | | 3A STUD THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD | | 18 STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | RIGHT-HAND STUD THREAD | | THREAD LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM NUT THREAD | | 0.411 INCHES MINIMUM AND | | 0.436 INCHES MAXIMUM STUD THREAD | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 01556 | | DESIGN CONTROL REFERENCE | SC245-3-919A |
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