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National Stock Number:
5306-00-475-0206
Federal Supply Class:
5306
National Item Identification Number:
004750206
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:
| C4WM1296-1 | 71867 | DE HAVILLAND AIRCRAFT OF CANADA LIMITED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.395 INCHES MINIMUM | | FASTENER LENGTH | 2.190 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SHOULDER DIAMETER | 0.623 INCHES MINIMUM AND | | 0.624 INCHES MAXIMUM | | SHOULDER LENGTH | 1.665 INCHES MINIMUM AND | | 1.670 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.500 INCHES NOMINAL | | COUNTERBORE DEPTH | 1.600 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.080 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.880 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.040 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 71867 | | DESIGN CONTROL REFERENCE | C4WM1296-1 |
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