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National Stock Number:
5306-00-741-1179
Federal Supply Class:
5306
National Item Identification Number:
007411179
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:
| 20X409 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 5306007411179 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 7411179 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | MS51946-7 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.188 INCHES MINIMUM | | FASTENER LENGTH | 4.188 INCHES NOMINAL | | MATERIAL | STEEL COMP 4320H OR | | STEEL COMP 4620H OR | | STEEL COMP 8620H OR | | STEEL COMP 8622 OR | | STEEL COMP 8622H OR | | STEEL COMP 3120 OR | | STEEL COMP 4427 OVERALL | | HARDNESS RATING | 223.0 BRINELL STANDARD MINIMUM AND | | 227.0 BRINELL STANDARD MAXIMUM OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 1.312 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.973 INCHES MINIMUM AND | | 0.977 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.688 INCHES NOMINAL FIRST SHOULDER | | RIB QUANTITY | 36 | | RIB MAJOR DIAMETER | 1.020 INCHES MINIMUM AND | | 1.023 INCHES MAXIMUM | | RIB LENGTH | 0.438 INCHES NOMINAL | | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.375 INCHES NOMINAL | | RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL | | RIB MINOR DIAMETER | 0.945 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51946-7 |
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