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National Stock Number:
5306-00-207-8137
Federal Supply Class:
5306
National Item Identification Number:
002078137
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:
| 70-6-12 | 80049 | DEPARTMENT OF THE AIR FORCE | | FFB571TYPEC | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM | | HEAD DIAMETER | 0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM | | HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | NECK WIDTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SPECIAL FEATURES | FURNISHED WITH SQUARE NUT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 16 |
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