NSN 5306-00-227-0921

Part Details | MACHINE BOLT

5306-00-227-0921 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: M1222B2N8C256SHNN, MILS1222, MIL-S-1222, MILDTL1222, MIL-DTL-1222, 5306-00-227-0921, 00-227-0921, 5306002270921, 002270921

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-227-092101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-227-0921
Part Number Cage Code Manufacturer
M1222B2N8C256SHNN81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-S-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5306-00-227-0921
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.250 INCHES MINIMUM
FASTENER LENGTH3.500 INCHES NOMINAL
HEAD HEIGHT0.312 INCHES NOMINAL
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
GRIP LENGTH2.250 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA2 TYPE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATL