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National Stock Number:
5306-00-776-2214
Federal Supply Class:
5306
National Item Identification Number:
007762214
Description:
BOLT,RIBBED SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.
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Manufacturer Information:
| 7762214 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL | | FASTENER LENGTH | 4.000 INCHES NOMINAL | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 1.500 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | STEEL COMP 4145 OR STEEL COMP 3140 OR STEEL COMP 4142 OR STEEL COMP 4150 OR STEEL COMP 8640 OR STEEL COMP 4140 OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | RIB LENGTH | 0.812 INCHES NOMINAL | | RIB MAJOR DIAMETER | 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | SHOULDER DIAMETER | 1.123 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.750 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.156 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNS | | THREAD QUANTITY PER INCH | 14 |
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