NSN 5306-00-842-8197

Part Details | INTERNALLY RELIEVED BODY BOLT

5306-00-842-8197 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: 563616, 563616, 5306-00-842-8197, 00-842-8197, 5306008428197, 008428197

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 28, 196600-842-819706676 ( BOLT, INTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CONCENTRIC HOLE UNTHREADED

Cross Reference | NSN 5306-00-842-8197
Part Number Cage Code Manufacturer
56361600088ROYAL OAK GAGE INC
56361677445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-842-8197
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.345 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
FASTENER LENGTH1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM
STYLE DESIGNATOR CONCENTRIC HOLE UNTHREADED
SHOULDER DIAMETER0.638 INCHES MINIMUM AND 0.639 INCHES MAXIMUM
SHOULDER LENGTH0.151 INCHES MINIMUM AND 0.153 INCHES MAXIMUM
CONCENTRIC HOLE DEPTH0.880 INCHES MINIMUM AND 0.910 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLE5 UNDERCUT HEXAGON
HEAD DIAMETER0.780 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
HEAD HEIGHT0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
SPECIAL FEATURESCONCENTRIC HOLE COUNTERSUNK TO 0.380IN. MIN,0.420IN. MAX DIA