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National Stock Number:
5306-00-445-7253
Federal Supply Class:
5306
National Item Identification Number:
004457253
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:
| 656047 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | | 656047 | 52661 | RTX CORPORATION | | 656047 | 77445 | RTX CORPORATION | | 656047 | S0554 | TOKYO JUDOGI KOGYO CO. |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.440 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | COUNTERBORE DEPTH | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | | FASTENER LENGTH | 0.655 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | WIDTH BETWEEN FLATS | 1.106 INCHES MINIMUM AND 1.127 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 18 |
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