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National Stock Number:
5306-00-987-5342
Federal Supply Class:
5306
National Item Identification Number:
009875342
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:
| C4PM10209-1 | 71867 | DE HAVILLAND AIRCRAFT OF CANADA LIMITED | | C4PM10209-5 | 71867 | DE HAVILLAND AIRCRAFT OF CANADA LIMITED |
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Techincal Specification:
| CONCENTRIC HOLE DEPTH | 5.050 INCHES NOMINAL | | CONCENTRIC HOLE DIAMETER | 0.234 INCHES NOMINAL | | FASTENER LENGTH | 5.550 INCHES NOMINAL | | HEAD HEIGHT | 0.100 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHOULDER DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM | | SHOULDER LENGTH | 5.100 INCHES NOMINAL | | SPECIAL FEATURES | SHANK TREATED W/DRY FILM LUBRICANT AND 0.285 IN DIA BY 0.110 IN. LG UNDER CUT FOR THREAD RELIEF | | WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.340 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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