NSN 5306-00-121-8131

Part Details | MACHINE BOLT

5306-00-121-8131 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: 306010, 306010, 306010, 5306-00-121-8131, 00-121-8131, 5306001218131, 001218131

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 25, 196800-121-813101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-00-121-8131
Part Number Cage Code Manufacturer
3060101UVT5BRP US INC.DBA BOMBARDIER MOTOR CORP OF AMERICA
30601080256OUTBOARD MARINE CORP
30601032195OUTBOARD MARINE CORPJOHNSON MOTORS DIV
Technical Data | NSN 5306-00-121-8131
Characteristic Specifications
HEAD STYLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.431 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
FASTENER LENGTH0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FEATURES PROVIDED UNFINISHED HEAD