NSN 5306-01-333-6389

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-01-333-6389 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: 666731281001, 66673-1281-001, 666731281, 66673-1281, 717511281001, 717511281-001, 5306-01-333-6389, 01-333-6389, 5306013336389, 013336389

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 08, 199101-333-638906676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CONCENTRIC HOLE UNTHREADED

Cross Reference | NSN 5306-01-333-6389
Part Number Cage Code Manufacturer
66673-1281-00166673D M T INC
66673-128166673D M T INC
717511281-00104939LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 5306-01-333-6389
Characteristic Specifications
THREAD SERIES DESIGNATOR UNS
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.580 INCHES NOMINAL
FASTENER LENGTH0.735 INCHES NOMINAL
STYLE DESIGNATOR CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DIAMETER0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
HEAD STYLE DISHED HEXAGON
HEAD HEIGHT0.070 INCHES NOMINAL
WIDTH BETWEEN FLATS0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
SPECIAL FEATURESPOINT OF ITEM IS OVAL 0.054 IN. LONG WITH A RADIUS 0.042 IN.; ON OD OF ITEM HAS A SLOT 0.380 IN. MIN LONG FOR LOCKING