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National Stock Number:
5306-00-935-2990
Federal Supply Class:
5306
National Item Identification Number:
009352990
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:
| 215-78400-2 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.285 INCHES MINIMUM | | FASTENER LENGTH | 1.910 INCHES MINIMUM AND | | 1.950 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4340 OVERALL | | SURFACE TREATMENT | CADMIUM HEAD | | CHROMIUM GRIP | | CADMIUM 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 | CONCENTRIC HOLE UNTHREADED | | CONCENTRIC HOLE DEPTH | 1.530 INCHES MINIMUM AND | | 1.560 INCHES MAXIMUM | | CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 0.875 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.800 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80378 | | DESIGN CONTROL REFERENCE | 215-78400-2 |
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