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National Stock Number:
5306-00-660-2629
Federal Supply Class:
5306
National Item Identification Number:
006602629
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:
| 6-72799-1 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.120 INCHES NOMINAL FIRST HOLE | | CONCENTRIC HOLE DIAMETER | 1.000 INCHES NOMINAL | | FASTENER LENGTH | 6.020 INCHES NOMINAL | | HEAD DIAMETER | 2.500 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | MATERIAL | STEEL COMP 4140 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.750 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.172 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 2.000 INCHES NOMINAL | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | SURFACE TREATMENT | NICKEL OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.790 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNEF |
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