NSN 5306-00-138-3678

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-138-3678 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: 32584397, 32-58439-7, 5306-00-138-3678, 00-138-3678, 5306001383678, 001383678

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 24, 197100-138-367806676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

COUNTERBORE UNTHREADED

Cross Reference | NSN 5306-00-138-3678
Part Number Cage Code Manufacturer
32-58439-776301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5306-00-138-3678
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.000 INCHES MAXIMUM
STYLE DESIGNATORA COUNTERBORE UNTHREADED
SHOULDER LENGTH2.050 INCHES NOMINAL
CONCENTRIC HOLE DEPTH1.000 INCHES NOMINAL
COUNTERBORE DIAMETER0.268 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.875 INCHES NOMINAL