NSN 5306-01-371-2850

Part Details | MACHINE BOLT

5306-01-371-2850 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: BACB30LE5K18, 5306-01-371-2850, 01-371-2850, 5306013712850, 013712850

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 10, 199301-371-285001847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-01-371-2850
Part Number Cage Code Manufacturer
BACB30LE5K1881205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5306-01-371-2850
Characteristic Specifications
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.3125 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.593 INCHES NOMINAL
FASTENER LENGTH1.703 INCHES MINIMUM AND 1.733 INCHES MAXIMUM
HEAD HEIGHT0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.418 INCHES MINIMUM AND 0.434 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
GRIP LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM