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National Stock Number:
5306-00-521-6806
Federal Supply Class:
5306
National Item Identification Number:
005216806
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:
| CV21-564501-1 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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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 | 1.010 INCHES MINIMUM | | FASTENER LENGTH | 7.170 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | CHROMIUM HEAD | | CADMIUM OR | | CHROMIUM GRIP | | CHROMIUM THREADS | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SHOULDER DIAMETER | 1.311 INCHES MINIMUM AND | | 1.312 INCHES MAXIMUM | | SHOULDER LENGTH | 6.000 INCHES NOMINAL | | CONCENTRIC HOLE DEPTH | 4.650 INCHES MINIMUM AND | | 4.710 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.590 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.500 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON | | HEAD HEIGHT | 0.580 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.050 INCHES MINIMUM AND | | 1.060 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 2.330 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.200 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.930 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.128 INCHES NOMINAL FIRST HOLE |
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