NSN 5306-01-564-3378

Part Details | MACHINE BOLT

5306-01-564-3378 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: AS621105, AS621-105, AS621103, AS621-103, 7040038159103, 70400-38159-103, 7040038159, 70400-38159, 5306-01-564-3378, 01-564-3378, 5306015643378, 015643378

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 22, 201301-564-337801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-564-3378
Part Number Cage Code Manufacturer
AS621-10584256AVIBANK MFG., INC.
AS621-10384256AVIBANK MFG., INC.
70400-38159-10378286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
70400-3815978286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5306-01-564-3378
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH3.312 INCHES NOMINAL
FASTENER LENGTH4.325 INCHES NOMINAL
HEAD HEIGHT0.422 INCHES NOMINAL
WIDTH BETWEEN FLATS1.064 INCHES NOMINAL
GRIP LENGTH3.312 INCHES NOMINAL
FEATURES PROVIDED CASEHARDENED
SPECIAL FEATURESDISTRIBUTION STATEMENT D;CRITICAL CHARACTERISTICS;SEE SIKORSKY SPEC/STANDARD SS9211
SPECIAL TEST FEATURESPART IS SERIALIZED FLIGHT SAFETY;REQUIRES QUALITY TEST AND DATA TEST PERSS9211
CRITICALITY CODE JUSTIFICATIONAGAV
END ITEM IDENTIFICATIONLINKAGE ASSY;MULTI MISSION HELO 1520-01-546-0112
PART NAME ASSIGNED BY CONTROLLING AGENCYSPECIAL BOLT,SELF-RETAINING