NSN 5306-00-521-6806

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-521-6806 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: CV215645011, CV21-564501-1, 5306-00-521-6806, 00-521-6806, 5306005216806, 005216806

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-521-680606676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

COUNTERBORE UNTHREADED

Cross Reference | NSN 5306-00-521-6806
Part Number Cage Code Manufacturer
CV21-564501-180378TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT
Technical Data | NSN 5306-00-521-6806
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.010 INCHES MINIMUM
FASTENER LENGTH7.170 INCHES NOMINAL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR COUNTERBORE UNTHREADED
SHOULDER DIAMETER1.311 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
SHOULDER LENGTH6.000 INCHES NOMINAL
CONCENTRIC HOLE DEPTH4.650 INCHES MINIMUM AND 4.710 INCHES MAXIMUM
COUNTERBORE DIAMETER0.590 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.500 INCHES NOMINAL
HEAD STYLE DOUBLE HEXAGON
HEAD HEIGHT0.580 INCHES NOMINAL
WIDTH BETWEEN FLATS1.050 INCHES MINIMUM AND 1.060 INCHES MAXIMUM
EXTENDED WASHER DIAMETER2.330 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.200 INCHES NOMINAL