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National Stock Number:
5306-00-854-2875
Federal Supply Class:
5306
National Item Identification Number:
008542875
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:
| MIL-H-55053B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS20069-2 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 4.500 INCHES NOMINAL | | HEAD DIAMETER | 0.812 INCHES NOMINAL | | HEAD HEIGHT | 0.187 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | NECK LENGTH | 0.312 INCHES NOMINAL | | NECK WIDTH | 0.388 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A |
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