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National Stock Number: 5306-00-263-6693
Federal Supply Class: 5306
National Item Identification Number: 002636693
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 | | HEAD HEIGHT | 0.219 INCHES NOMINAL | | HEAD DIAMETER | 0.938 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633,CANC FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL | | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | NECK WIDTH | 0.431 INCHES MINIMUM AND 0.452 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | NONDEFINITIVE SPEC/STD DATA | C-2 TYPE | | SPECIAL FEATURES | FURNISHED ITEMS,1SQ NUT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.250 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 14 |
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