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National Stock Number:
5306-00-787-7100
Federal Supply Class:
5306
National Item Identification Number:
007877100
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:
| 10924606 | 00000 | ORDNANCE CORPS | | 49081 | 33116 | KELSEY-HAYES CO WHEEL DRUM AND BRAKE DIV | | MS51948-3 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 2.450 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.200 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | RIB LENGTH | 0.380 INCHES NOMINAL | | RIB MAJOR DIAMETER | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM | | SHOULDER DIAMETER | 0.520 INCHES MINIMUM AND 0.525 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.780 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.380 INCHES MINIMUM AND 1.410 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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