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National Stock Number:
5306-00-687-0307
Federal Supply Class:
5306
National Item Identification Number:
006870307
Description:
BOLT,SQUARE NECK
Detail:
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
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Manufacturer Information:
| TC3898 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV |
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Techincal Specification:
| COUNTERSINK ANGLE | 81.0 DEGREES NOMINAL | | FASTENER LENGTH | 3.000 INCHES NOMINAL | | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.594 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | MATERIAL | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OVERALL | | MINIMUM TENSILE STRENGTH | 115000 POUNDS PER SQUARE INCH | | NECK WIDTH | 1.000 INCHES NOMINAL | | NECK LENGTH | 0.625 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.875 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 8 |
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