NSN 5306-00-174-3871

Part Details | MACHINE BOLT

5306-00-174-3871 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Alternate Parts: MILB857TYPE3GRADE2, 268420PC140, 5306-00-174-3871, 00-174-3871, 5306001743871, 001743871

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-174-387101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-174-3871
Part Number Cage Code Manufacturer
MILB857TYPE3GRADE281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
268420PC14010001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5306-00-174-3871
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.000 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
MINIMUM TENSILE STRENGTH69000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.337 INCHES NOMINAL
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURESONE HOLE DRILLED IN HEAD
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2 GRADE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY HEAD H EIGHT AND DRILLED HOLE IN HEAD