NSN 5306-01-299-3266

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-01-299-3266 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: 5336317, 5306-01-299-3266, 01-299-3266, 5306012993266, 012993266

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 30, 198901-299-326606676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON LONGITUDINAL HOLE

COUNTERBORE UNTHREADED

Cross Reference | NSN 5306-01-299-3266
Part Number Cage Code Manufacturer
533631753711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5306-01-299-3266
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH5.850 INCHES MINIMUM AND 6.000 INCHES MAXIMUM
FASTENER LENGTH5.940 INCHES MINIMUM AND 6.060 INCHES MAXIMUM
STYLE DESIGNATORA COUNTERBORE UNTHREADED
SHOULDER DIAMETER0.830 INCHES NOMINAL
SHOULDER LENGTH4.450 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.682 INCHES MINIMUM AND 0.718 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE THREADED
HOLE QUANTITY1
HOLE NOMINAL THREAD DIAMETER0.625 INCHES
HOLE THREAD QUANTITY PER INCH11
SPECIAL FEATURESHEAD IS BRAZED TO SHANK PER MIL-B-7883 TY 3,GR B,OR TY 1,GR B