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National Stock Number:
5306-00-175-3078
Federal Supply Class:
5306
National Item Identification Number:
001753078
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:
| 26-806 | 0W357 | PDI GROUND SUPPORT SYSTEMS, INC. |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.750 INCHES NOMINAL | | FASTENER LENGTH | 2.125 INCHES NOMINAL | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | RIB LENGTH | 0.500 INCHES NOMINAL | | RIB MAJOR DIAMETER | 0.812 INCHES NOMINAL | | SHOULDER DIAMETER | 0.783 INCHES MINIMUM AND 0.786 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.250 INCHES NOMINAL FIRST SHOULDER | | THREAD CLASS | 2A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 1.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNF |
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