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National Stock Number:
5306-00-054-8027
Federal Supply Class:
5306
National Item Identification Number:
000548027
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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Manufacturer Information:
| 548027 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S |
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Techincal Specification:
| FASTENER LENGTH | 3.250 INCHES NOMINAL | | FEATURES PROVIDED | SQUARE NUT | | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL | | HEAD DIAMETER | 0.688 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD STYLE | BUTTON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 55 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM | | NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 18 |
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