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National Stock Number: 5306-00-208-1538
Federal Supply Class: 5306
National Item Identification Number: 002081538
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 | 1.000 INCHES NOMINAL | HEAD DIAMETER | 0.438 INCHES NOMINAL | HEAD HEIGHT | 0.094 INCHES NOMINAL | HEAD STYLE | BUTTON | MATERIAL | STEEL OVERALL | NECK LENGTH | 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM | NECK WIDTH | 0.181 INCHES MINIMUM AND 0.199 INCHES MAXIMUM | NOMINAL THREAD DIAMETER | 0.190 INCHES | NONDEFINITIVE SPEC/STD DATA | C2 TYPE | SPECIAL FEATURES | W/SQ NUT | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.500 INCHES MINIMUM | THREAD QUANTITY PER INCH | 24 | THREAD SERIES DESIGNATOR | UNC |
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