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National Stock Number:
5306-00-851-1129
Federal Supply Class:
5306
National Item Identification Number:
008511129
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:
| 2J2548 | 11083 | CATERPILLAR INC | | FFB584 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | FASTENER LENGTH | 3.500 INCHES NOMINAL | | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.406 INCHES MINIMUM AND 1.512 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 115000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.563 INCHES MINIMUM AND 0.626 INCHES MAXIMUM | | NECK WIDTH | 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 9 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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