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National Stock Number:
5306-00-286-2327
Federal Supply Class:
5306
National Item Identification Number:
002862327
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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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 1.312 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.297 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.469 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.469 INCHES NOMINAL | | FASTENER LENGTH | 1.344 INCHES NOMINAL | | HEAD HEIGHT | 0.219 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | WIDTH BETWEEN FLATS | 0.807 INCHES MINIMUM AND 0.816 INCHES MAXIMUM | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.469 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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