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National Stock Number: 5306-00-693-0635
Federal Supply Class: 5306
National Item Identification Number: 006930635
Description: BOLT,INTERNALLY RELIEVED BODY
Detail: An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.
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Manufacturer Information:
| 10787P11 | 27618 | TAYLOR MACHINE WORKS INC | | 2281476 | 23862 | MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 | | 2281476 | 24617 | GENERAL MOTORS CORP | | 441B1 | 56442 | DIAMOND REO TRUCK CO | | 2281476 | 7X677 | GENERAL MOTORS LLC | | 5306006930635 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 7725844 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | KC7534 | 56442 | DIAMOND REO TRUCK CO | | 914543 | 58275 | SASCO INC CANADIAN DIV | | 766 | 74410 | SAF-HOLLAND, INC. | | 8668096 | 74410 | SAF-HOLLAND, INC. |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.531 INCHES NOMINAL FIRST HOLE | | CONCENTRIC HOLE DEPTH | 1.938 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.219 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.750 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 3.750 INCHES NOMINAL | | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD CLASS | 2B CONCENTRIC HOLE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 0.375 INCHES NOMINAL COUNTERBORE | | MATERIAL | STEEL COMP 8640 OR STEEL COMP 8740 OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES COUNTERBORE | | SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF COUNTERBORE | | THREAD QUANTITY PER INCH | 14 | | THREADS PER INCH | 28 COUNTERBORE |
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