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National Stock Number:
5306-00-298-7644
Federal Supply Class:
5306
National Item Identification Number:
002987644
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 | 0.563 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | NECK LENGTH | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | NECK WIDTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | C2 TYPE | | SPECIAL FEATURES | W/SQ NUT | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.500 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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