NSN 5306-00-448-6973

Part Details | MACHINE BOLT

5306-00-448-6973 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: MS210944006, MS21094-4006, MS210944006, MS21094-4006, LK210944006, LK21094-4006, 5306-00-448-6973, 00-448-6973, 5306004486973, 004486973

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 13, 197000-448-697301847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-448-6973
Part Number Cage Code Manufacturer
MS21094-400696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21094-400680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
LK21094-400626304TORKON FASTENER CORP
Technical Data | NSN 5306-00-448-6973
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 LENGTH0.444 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH0.829 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD