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National Stock Number:
5306-00-612-2883
Federal Supply Class:
5306
National Item Identification Number:
006122883
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:
| 4-80727 | 81205 | THE BOEING COMPANY | | 4-80727 | 82918 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.190 INCHES MINIMUM | | FASTENER LENGTH | 6.900 INCHES NOMINAL | | MATERIAL | STEEL COMP 8630 OR | | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | CONCENTRIC HOLE DIAMETER | 0.734 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.430 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.802 INCHES MINIMUM AND | | 1.815 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.500 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES MINIMUM AND | | 0.145 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | 0.210 IN. W BY 1.042 IN. DIA EXTERNAL RELIEF ON SHANK 5.500 IN. FROM HEAD BEARING SURFACE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81205 | | DESIGN CONTROL REFERENCE | 4-80727 |
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