NSN 5306-00-281-8491

Part Details | MACHINE BOLT

5306-00-281-8491 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: AN104711, 258N6161023005, 258N6161023-005, 5306-00-281-8491, 00-281-8491, 5306002818491, 002818491

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-281-849101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-281-8491
Part Number Cage Code Manufacturer
AN10471188044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
258N6161023-00538597LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 5306-00-281-8491
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.624 INCHES MINIMUM
FASTENER LENGTH0.812 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
GRIP LENGTH0.188 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD