NSN 5306-00-121-2563
Part Details | MACHINE BOLT
5306-00-121-2563 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: AB1503F4, 5306-00-121-2563, 00-121-2563, 5306001212563, 001212563
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | NOV 01, 1968 | 00-121-2563 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-121-2563
Part Number | Cage Code | Manufacturer |
---|---|---|
AB1503F4 | 02310 | PATTONAIR USA INCUNISEAL DIV |
Technical Data | NSN 5306-00-121-2563
Characteristic | Specifications |
---|---|
HEAD STYLE | UNDERCUT HEXAGON |
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.376 INCHES MINIMUM AND 0.451 INCHES MAXIMUM |
FASTENER LENGTH | 0.516 INCHES MINIMUM AND 0.561 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.155 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
GRIP LENGTH | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
SPECIAL FEATURES | FURNISHED WITH O-RING AND WASHER |