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National Stock Number:
5306-00-054-8012
Federal Supply Class:
5306
National Item Identification Number:
000548012
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 | 2.500 INCHES NOMINAL | | FEATURES PROVIDED | SQUARE NUT | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | HEAD DIAMETER | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 60000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | NECK WIDTH | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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