NSN 5305-01-251-6358

Part Details | HEXAGON HEAD CAP SCREW

5305-01-251-6358 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: 1452650510J16, 145-2650510J16, 1452650510J16, 145-2650510J16, 2650510J16, 5305-01-251-6358, 01-251-6358, 5305012516358, 012516358

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 21, 198701-251-635818257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-251-6358
Part Number Cage Code Manufacturer
145-2650510J1606887LOCKHEED MARTIN CORPORATION
145-2650510J1680064NAVAL SHIP SYSTEMS COMMAND
2650510J16D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-251-6358
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH1.250 INCHES MINIMUM AND 1.442 INCHES MAXIMUM
FASTENER LENGTH1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS2A
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT