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National Stock Number:
5306-00-055-5866
Federal Supply Class:
5306
National Item Identification Number:
000555866
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:
| 797749-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.090 INCHES NOMINAL | | FASTENER LENGTH | 1.313 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE | | HOLE DIAMETER | 0.062 INCHES NOMINAL | | HOLE QUANTITY | 6 | | HOLE TYPE | DRILLED | | INTERNAL THREAD CLASS | 3B COUNTERBORE | | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE | | INTERNAL THREAD LENGTH | 0.250 INCHES NOMINAL COUNTERBORE | | MATERIAL | STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES COUNTERBORE | | SHOULDER DIAMETER | 0.417 INCHES NOMINAL | | SHOULDER LENGTH | 0.375 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.619 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | STYLE DESIGNATOR | COUNTERBORE THREADED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.395 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF | | THREAD SERIES | UNF COUNTERBORE | | THREADS PER INCH | 28 COUNTERBORE |
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