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National Stock Number: 5306-00-122-2668
Federal Supply Class: 5306
National Item Identification Number: 001222668
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:
77-33316 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
CONCENTRIC HOLE DIAMETER | 0.242 INCHES NOMINAL | FASTENER LENGTH | 0.750 INCHES NOMINAL | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL | HEAD HEIGHT | 0.125 INCHES NOMINAL | HEAD STYLE | HEXAGON | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.437 INCHES | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.688 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 14 | THREAD SERIES DESIGNATOR | UNC |
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