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National Stock Number:
5306-01-491-9986
Federal Supply Class:
5306
National Item Identification Number:
014919986
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:
| 12335260-2 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 10 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM | | FASTENER LENGTH | 2.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND | | 39.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 1.250 INCHES MINIMUM AND | | 1.303 INCHES MAXIMUM | | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND | | 82.0 DEGREES MAXIMUM | | NECK LENGTH | 1.709 INCHES MINIMUM AND | | 1.759 INCHES MAXIMUM | | NECK WIDTH | 0.750 INCHES MINIMUM AND | | 0.765 INCHES MAXIMUM |
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