NSN 5305-00-226-4821

Part Details | HEXAGON HEAD CAP SCREW

5305-00-226-4821 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: B1821BH031C044N, 00322949, 003-2-2949, MS9072828, MS90728-28, 5305-00-226-4821, 00-226-4821, 5305002264821, 002264821

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-226-482118257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-226-4821
Part Number Cage Code Manufacturer
B1821BH031C044N80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
003-2-294915652DYNA SYSTEMS INC
MS90728-2896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-226-4821
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH0.269 INCHES MINIMUM
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD