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National Stock Number: 5306-00-903-8593
Federal Supply Class: 5306
National Item Identification Number: 009038593
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:
| 240054 | 2S125 | HILLMAN GROUP INC THE | | AMS-QQ-P-416 TY2CL3 | 0U583 | SAE INTERNATIONAL | | ASME-B18.5 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | ANSI B18.5 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | AMS-QQ-P-416 TY2CL3 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | ASTM-B633 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | | NASM35751 | 00756 | AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC | | MS35751-30 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM | | HEAD DIAMETER | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 |
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