NSN 5306-00-445-7253

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-445-7253 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.

Alternate Parts: 656047, 656047, 656047, 656047, 5306-00-445-7253, 00-445-7253, 5306004457253, 004457253

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 12, 197200-445-725306676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

COUNTERBORE UNTHREADED

Cross Reference | NSN 5306-00-445-7253
Part Number Cage Code Manufacturer
656047S0554TOKYO JUDOGI KOGYO CO.
65604711449TURBO POWER & MARINE SYSTEM INCSUB OF UNITED TECHNOLOGIES CORP
65604752661UNITED TECHNOLOGIES CORPORATIONDBA PRATT & WHITNEY
65604777445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-445-7253
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
FASTENER LENGTH0.655 INCHES NOMINAL
STYLE DESIGNATOR COUNTERBORE UNTHREADED
COUNTERBORE DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
COUNTERBORE DEPTH0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER0.440 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.106 INCHES MINIMUM AND 1.127 INCHES MAXIMUM