NSN 5306-00-003-3873

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-003-3873 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: A51H4052411, A51H40524-11, A51H4052411, A51H40524-11, 5306-00-003-3873, 00-003-3873, 5306000033873, 000033873

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 24, 197200-003-387306676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-003-3873
Part Number Cage Code Manufacturer
A51H40524-1126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
A51H40524-1161174NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 5306-00-003-3873
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD LENGTH0.333 INCHES MINIMUM
FASTENER LENGTH2.223 INCHES MINIMUM AND 2.233 INCHES MAXIMUM
SHOULDER DIAMETER0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
SHOULDER LENGTH1.786 INCHES MINIMUM AND 1.796 INCHES MAXIMUM
CONCENTRIC HOLE DEPTH1.690 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.800 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
WIDTH BETWEEN FLATS0.678 INCHES MINIMUM AND 0.690 INCHES MAXIMUM