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National Stock Number:
5306-00-044-5623
Federal Supply Class:
5306
National Item Identification Number:
000445623
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:
| ASME-B18.5 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | B18.5 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | FF-B-584 TY1CL1STAGR1 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | | FF-B-584 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS35751-26 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | FASTENER LENGTH | 3.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 95.0 ROCKWELL B NOMINAL OVERALL | | MINIMUM YIELD STRENGTH | 55000 POUNDS PER SQUARE INCH | | HEAD STYLE | ROUND | | HEAD DIAMETER | 0.563 INCHES MINIMUM AND | | 0.594 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.145 INCHES MAXIMUM | | NECK LENGTH | 0.125 INCHES MINIMUM AND | | 0.156 INCHES MAXIMUM | | NECK WIDTH | 0.245 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM |
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