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National Stock Number:
5306-00-798-2713
Federal Supply Class:
5306
National Item Identification Number:
007982713
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:
| 265-329035-3 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.179 INCHES NOMINAL | | FASTENER LENGTH | 2.156 INCHES NOMINAL | | HEAD HEIGHT | 0.265 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND(F)(4) MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.499 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.163 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | 7 STEPS; 2 SERRATED SECTIONS,ONE0.500 INCH DIAMETER,ONE 0.375 DIAMETER; OPTIONAL CENTER HOLE BOTH ENDS | | RIB INCLUDED ANGLE | 45.0 DEGREES NOMINAL | | RIB LENGTH | 0.513 INCHES NOMINAL | | RIB MAJOR DIAMETER | 0.500 INCHES NOMINAL | | RIB MINOR DIAMETER | 0.438 INCHES NOMINAL | | RIB QUANTITY | 15 | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.410 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF |
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