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National Stock Number:
5306-00-012-8439
Federal Supply Class:
5306
National Item Identification Number:
000128439
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:
| 128439 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM | | FASTENER LENGTH | 1.469 INCHES MINIMUM AND | | 1.531 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1010 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | HARDNESS RATING | 79.0 ROCKWELL B MINIMUM AND | | 90.0 ROCKWELL B MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH | | HEAD STYLE | OVAL | | HEAD DIAMETER | 1.000 INCHES MINIMUM AND | | 1.031 INCHES MAXIMUM | | HEAD HEIGHT | 0.156 INCHES MINIMUM AND | | 0.176 INCHES MAXIMUM | | NECK LENGTH | 0.156 INCHES MINIMUM AND | | 0.187 INCHES MAXIMUM | | NECK WIDTH | 0.307 INCHES MINIMUM AND | | 0.324 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 21450 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 128439 |
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