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National Stock Number:
5306-00-316-6077
Federal Supply Class:
5306
National Item Identification Number:
003166077
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:
| 215-70521-2 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.510 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 5.740 INCHES MINIMUM AND 5.780 INCHES MAXIMUM | | HEAD HEIGHT | 0.300 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NOMINAL THREAD SIZE | 0.562 INCHES CONCENTRIC HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.203 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 2.250 INCHES NOMINAL | | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.920 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF CONCENTRIC HOLE | | THREAD QUANTITY PER INCH | 12 | | THREADS PER INCH | 18 CONCENTRIC HOLE |
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