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National Stock Number:
5306-00-260-4637
Federal Supply Class:
5306
National Item Identification Number:
002604637
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:
| FFB584 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 5.000 INCHES NOMINAL | | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL | | HEAD DIAMETER | 1.469 INCHES MINIMUM AND 1.594 INCHES MAXIMUM | | HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | NECK WIDTH | 0.741 INCHES MINIMUM AND 0.768 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SURFACE TREATMENT | ZINC AND PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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