NSN 5306-00-437-2021

Part Details | MACHINE BOLT

5306-00-437-2021 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: 5306-00-437-2021, 00-437-2021, 5306004372021, 004372021

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-437-202101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-437-2021
Part Number Cage Code Manufacturer
Technical Data | NSN 5306-00-437-2021
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.738 INCHES MINIMUM AND 0.805 INCHES MAXIMUM
FASTENER LENGTH1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
GRIP LENGTH0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD