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National Stock Number: 5306-00-208-1566
Federal Supply Class: 5306
National Item Identification Number: 002081566
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 | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD DIAMETER | 0.812 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | NECK LENGTH | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | NECK WIDTH | 0.350 INCHES MINIMUM AND 0.390 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | NONDEFINITIVE SPEC/STD DATA | C-2 TYPE AND C CLASS | | SPECIAL FEATURES | FURNISHED ITEMS,1 SQ NUT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 16 |
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