NSN 5305-01-381-1204

Part Details | HEXAGON HEAD CAP SCREW

5305-01-381-1204 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: B18231B08025D, ASME B18.24, AES07M08B025C68AA7, 5305-01-381-1204, 01-381-1204, 5305013811204, 013811204

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 08, 199301-381-120418257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-381-1204
Part Number Cage Code Manufacturer
B18231B08025D80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
ASME B18.2405047AMERICAN SOCIETY OF MECHANICALENGINEERS, THE
AES07M08B025C68AA705047AMERICAN SOCIETY OF MECHANICALENGINEERS, THE
Technical Data | NSN 5305-01-381-1204
Characteristic Specifications
THREAD SERIES DESIGNATOR M
THREAD LENGTH22.50 MILLIMETERS NOMINAL
FASTENER LENGTH25.0 MILLIMETERS NOMINAL
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
HEAD HEIGHT5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS12.57 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM
SPECIAL FEATURESDRILLED HEAD