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National Stock Number:
5306-00-853-4523
Federal Supply Class:
5306
National Item Identification Number:
008534523
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:
| 20X881 | 34574 | BOEING COMPANY | | 20X881 | 97286 | ROCKWELL INTERNATIONAL CORP INDUSTRIAL PRODUCTS GROUP |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.620 INCHES NOMINAL | | FASTENER LENGTH | 3.310 INCHES NOMINAL | | HEAD HEIGHT | 0.310 INCHES NOMINAL | | HEAD DIAMETER | 1.310 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.938 INCHES | | RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL | | RIB LENGTH | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | RIB MAJOR DIAMETER | 0.998 INCHES MINIMUM AND 1.006 INCHES MAXIMUM | | RIB QUANTITY | 36 | | RIB MINOR DIAMETER | 0.945 INCHES NOMINAL | | SHOULDER DIAMETER | 0.974 INCHES MINIMUM AND 0.975 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.250 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD CLASS | 2A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 1.590 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UN |
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