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National Stock Number:
5306-01-039-6637
Federal Supply Class:
5306
National Item Identification Number:
010396637
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:
| 12008318 | 19200 | US ARMY ARDEC RDECOM | | 12008318 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.120 INCHES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.750 INCHES NOMINAL | | FASTENER LENGTH | 2.820 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 2.000 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RIB LENGTH | 0.540 INCHES NOMINAL | | RIB MAJOR DIAMETER | 1.312 INCHES NOMINAL | | RIB MINOR DIAMETER | 1.178 INCHES NOMINAL | | RIB INCLUDED ANGLE | 45.0 DEGREES NOMINAL | | SHOULDER DIAMETER | 0.960 INCHES MINIMUM AND 0.970 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | SHOULDER LENGTH | 0.760 INCHES NOMINAL FIRST SHOULDER | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.300 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UN |
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