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National Stock Number:
5306-00-721-5581
Federal Supply Class:
5306
National Item Identification Number:
007215581
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:
| 375907 | 70210 | HONEYWELL INTERNATIONAL INC. | | 375907 | 72599 | ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO | | 375907 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.040 INCHES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.180 INCHES NOMINAL | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.190 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | HEAD STYLE | DEE CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | RIB LENGTH | 0.090 INCHES NOMINAL | | RIB MAJOR DIAMETER | 0.283 INCHES NOMINAL | | SHOULDER DIAMETER | 0.283 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.090 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.530 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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