NSN 5305-00-021-4239
Part Details | HEXAGON HEAD CAP SCREW
5305-00-021-4239 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: 214239, 5306000214239, 5306000214239, 214239, MS35764505, MS35764-505, 5305-00-021-4239, 00-021-4239, 5305000214239, 000214239
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-021-4239 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5305-00-021-4239
Part Number | Cage Code | Manufacturer |
---|---|---|
214239 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
5306000214239 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
5306000214239 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
214239 | 24617 | GENERAL MOTORS CORP |
MS35764-505 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5305-00-021-4239
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
THREAD LENGTH | 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
FASTENER LENGTH | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
THREAD DIRECTION | RIGHT-HAND |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 2A |
MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
FEATURES PROVIDED | UNFINISHED HEAD |