NSN 5306-00-076-4053

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-076-4053 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: 123AMM111041, 123AMM11104-1, 5306-00-076-4053, 00-076-4053, 5306000764053, 000764053

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-076-405306676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

COUNTERBORE UNTHREADED

Cross Reference | NSN 5306-00-076-4053
Part Number Cage Code Manufacturer
123AMM11104-126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
Technical Data | NSN 5306-00-076-4053
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.520 INCHES MINIMUM
FASTENER LENGTH2.375 INCHES NOMINAL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR COUNTERBORE UNTHREADED
SHOULDER DIAMETER0.8719 INCHES MINIMUM AND 0.8727 INCHES MAXIMUM
SHOULDER LENGTH1.720 INCHES MINIMUM AND 1.730 INCHES MAXIMUM
COUNTERBORE DIAMETER0.499 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
COUNTERBORE DEPTH1.843 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER0.374 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER1.375 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
SPECIAL FEATURESPERIPHERY OF HEAD FLATTED TO FOUR SIDES 1.240 IN. MIN 1.253 IN. MAX SQUARE