NSN 5306-00-432-8721

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-432-8721 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: 6871525, 6871525, 5306-00-432-8721, 00-432-8721, 5306004328721, 004328721

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 14, 197100-432-872106676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CONCENTRIC HOLE UNTHREADED

Cross Reference | NSN 5306-00-432-8721
Part Number Cage Code Manufacturer
687152573342ALLISON TRANSMISSION, INC.
687152563005ROLLS-ROYCE CORPORATION
Technical Data | NSN 5306-00-432-8721
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.438 INCHES MINIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
STYLE DESIGNATOR CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DEPTH0.120 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.125 INCHES NOMINAL
HEAD HEIGHT0.330 INCHES NOMINAL
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM