NSN 5306-01-284-2990

Part Details | MACHINE BOLT

5306-01-284-2990 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: LHD243004PC 10007, LHD243004-PC 10007, LHD2430040007, LHD243004-0007, 2435864871PC 20007, 243-5864871-PC 20007, 5306-01-284-2990, 01-284-2990, 5306012842990, 012842990

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 22, 198801-284-299001847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-284-2990
Part Number Cage Code Manufacturer
LHD243004-PC 1000776657NATIONAL FORGE COMPANY
LHD243004-000753711NAVAL SEA SYSTEMS COMMAND
243-5864871-PC 2000753711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5306-01-284-2990
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER2.500 INCHES
THREAD QUANTITY PER INCH4
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH2.938 INCHES NOMINAL
FASTENER LENGTH12.500 INCHES NOMINAL
HEAD HEIGHT2.750 INCHES NOMINAL
WIDTH BETWEEN FLATS3.875 INCHES NOMINAL
GRIP LENGTH8.406 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURESTAPER SHANK DIAMETER 0.125 PER FT. FROM 2.838 IN. TOP DIA. TO 2.750 IN. BOTTOM DIA.