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National Stock Number: 5306-01-044-6556
Federal Supply Class: 5306
National Item Identification Number: 010446556
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:
63-10292 | 17765 | THE BOEING COMPANY | 63-10292 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNF | NOMINAL THREAD DIAMETER | 0.750 INCHES | THREAD QUANTITY PER INCH | 16 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.570 INCHES NOMINAL | FASTENER LENGTH | 6.057 INCHES MINIMUM AND | | 6.087 INCHES MAXIMUM | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4140 OVERALL | SURFACE TREATMENT | CADMIUM AND | | CHROMATE HEAD | | CADMIUM AND | | CHROMATE GRIP | | PAINT THREADS | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | CONCENTRIC HOLE DIAMETER | 0.406 INCHES MINIMUM AND | | 0.421 INCHES MAXIMUM | HEAD STYLE | DISHED HEXAGON | HEAD HEIGHT | 0.375 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND | | 1.064 INCHES MAXIMUM | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.944 INCHES NOMINAL FIRST HOLE | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND | | 0.151 INCHES MAXIMUM FIRST HOLE |
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