NSN 5306-01-077-3881

Part Details | MACHINE BOLT

5306-01-077-3881 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: 7267264, 726726-4, 5306-01-077-3881, 01-077-3881, 5306010773881, 010773881

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 23, 197901-077-388101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-077-3881
Part Number Cage Code Manufacturer
726726-473030HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 5306-01-077-3881
Characteristic Specifications
HEAD STYLE0 HEXAGON
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.890 INCHES MINIMUM AND 0.950 INCHES MAXIMUM
FASTENER LENGTH4.645 INCHES NOMINAL
HEAD HEIGHT0.388 INCHES NOMINAL
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.091 INCHES NOMINAL
GRIP LENGTH3.695 INCHES MINIMUM AND 3.755 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURES2 HOLES INTERSECTING 90 DEGREES APART
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT