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National Stock Number:
5306-00-263-6683
Federal Supply Class:
5306
National Item Identification Number:
002636683
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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Techincal Specification:
| FASTENER LENGTH | 4.500 INCHES NOMINAL | | FEATURES PROVIDED | SQUARE NUT | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD DIAMETER | 0.688 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-B-571 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | NECK WIDTH | 0.300 INCHES MINIMUM AND 0.326 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | NONDEFINITIVE SPEC/STD DATA | C2 TYPE | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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