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National Stock Number:
5306-00-850-7069
Federal Supply Class:
5306
National Item Identification Number:
008507069
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:
| X43436 | 33116 | KELSEY-HAYES CO WHEEL DRUM AND BRAKE DIV |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL | | FASTENER LENGTH | 2.440 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 11.0 ROCKWELL C MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.200 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1026 OVERALL | | MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | RIB LENGTH | 0.328 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 SHAPE | RIBBED FIRST SHOULDER | | SHOULDER LENGTH | 0.834 INCHES NOMINAL FIRST SHOULDER | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.380 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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