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National Stock Number:
5306-00-078-3446
Federal Supply Class:
5306
National Item Identification Number:
000783446
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:
| 215-78401-2 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD LENGTH | 0.395 INCHES MINIMUM | | FASTENER LENGTH | 1.949 INCHES MINIMUM AND | | 1.953 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | CONCENTRIC HOLE DEPTH | 1.430 INCHES MINIMUM AND | | 1.460 INCHES MAXIMUM | | CONCENTRIC HOLE DIAMETER | 0.375 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.120 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.830 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80378 | | DESIGN CONTROL REFERENCE | 215-78401-2 |
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