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National Stock Number:
5306-00-638-3532
Federal Supply Class:
5306
National Item Identification Number:
006383532
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:
| 231413 | 07187 | HONEYWELL INTERNATIONAL INC. | | 231413 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 0.438 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.138 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.312 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.710 INCHES NOMINAL | | FASTENER LENGTH | 0.438 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | THE CONCENTRIC HOLE IS THREADED 0.138-32 2B FIT | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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