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National Stock Number:
5306-00-547-9922
Federal Supply Class:
5306
National Item Identification Number:
005479922
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:
| 728541-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.280 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.378 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | FASTENER LENGTH | 1.440 INCHES NOMINAL | | HEAD DIAMETER | 0.687 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.329 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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