NSN 5305-00-021-6306
Part Details | HEXAGON HEAD CAP SCREW
5305-00-021-6306 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: 216306, 216306, 216306, 5305-00-021-6306, 00-021-6306, 5305000216306, 000216306
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-021-6306 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5305-00-021-6306
Part Number | Cage Code | Manufacturer |
---|---|---|
216306 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
216306 | 24617 | GENERAL MOTORS CORP |
216306 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
Technical Data | NSN 5305-00-021-6306
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
THREAD LENGTH | 0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
FASTENER LENGTH | 2.875 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
THREAD DIRECTION | RIGHT-HAND |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 2A |
MINIMUM TENSILE STRENGTH | 69000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |