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National Stock Number:
5306-00-626-1259
Federal Supply Class:
5306
National Item Identification Number:
006261259
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:
| 117FM10058-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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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 | 1.437 INCHES NOMINAL | | FASTENER LENGTH | 1.562 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED | | CONCENTRIC HOLE DIAMETER | 0.154 INCHES MINIMUM AND | | 0.161 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.593 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.255 INCHES MINIMUM AND | | 0.262 INCHES MAXIMUM FIRST HOLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 26512 | | DESIGN CONTROL REFERENCE | 117FM10058-1 |
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