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National Stock Number:
5306-00-174-1939
Federal Supply Class:
5306
National Item Identification Number:
001741939
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:
| 5296776 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | C4255 | 08018 | BORG-WARNER CORP | | C4255 | 71000 | SACHS-BOGE OF AMERICA |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL | | FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM | | HEAD HEIGHT | 0.234 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1035 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | RIB INCLUDED ANGLE | 120.0 DEGREES NOMINAL | | RIB LENGTH | 0.187 INCHES NOMINAL | | RIB MAJOR DIAMETER | 0.320 INCHES MINIMUM AND 0.326 INCHES MAXIMUM | | RIB QUANTITY | 20 | | SHOULDER DIAMETER | 0.3120 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | SHOULDER LENGTH | 0.301 INCHES MINIMUM AND 0.321 INCHES MAXIMUM FIRST SHOULDER | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.437 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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