NSN 5305-01-221-9771

Part Details | HEXAGON HEAD CAP SCREW

5305-01-221-9771 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: 127605293, 1276-05-293, 5520237, 5305-01-221-9771, 01-221-9771, 5305012219771, 012219771

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 05, 198501-221-977118257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5305-01-221-9771
Part Number Cage Code Manufacturer
1276-05-29344114BAE SYSTEMS LAND & ARMAMENTS L.P.
5520237D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-221-9771
Characteristic Specifications
THREAD SERIES DESIGNATOR M
THREAD LENGTH38.0 MILLIMETERS MINIMUM AND 41.0 MILLIMETERS MAXIMUM
FASTENER LENGTH41.00 MILLIMETERS NOMINAL
HEAD STYLE HEXAGON EXTENDED WASHER
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
HEAD HEIGHT13.0 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS22.0 MILLIMETERS NOMINAL
EXTENDED WASHER DIAMETER36.0 MILLIMETERS NOMINAL
EXTENDED WASHER THICKNESS5.0 MILLIMETERS NOMINAL
HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER2.00 MILLIMETERS NOMINAL