NSN 5305-00-018-1703
Part Details | HEXAGON HEAD CAP SCREW
5305-00-018-1703 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: S1815, FFS85TYPE2STYLE10PGRADE5, FFS85C TY II ST 10P, FF-S-85C TY II ST 10P, 181703, 181434, S1815, S1815, 14X3312, S4076, 394792, 5305-00-018-1703, 00-018-1703, 5305000181703, 000181703
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-018-1703 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5305-00-018-1703
Part Number | Cage Code | Manufacturer |
---|---|---|
S1815 | 3D6E9 | AXLETECH INTERNATIONAL, LLC |
FFS85TYPE2STYLE10PGRADE5 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
FF-S-85C TY II ST 10P | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
181703 | 24617 | GENERAL MOTORS CORP |
181434 | 24617 | GENERAL MOTORS CORP |
S1815 | 63734 | KAITLIN CORP |
S1815 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS LLC |
14X3312 | 95201 | NAPCO INTERNATIONAL LLC |
S4076 | 62265 | VOLVO TRUCKS NORTH AMERICA INC.DBA FOREIGN PARENT IS VOLVO |
394792 | 65282 | WHITE MOTOR CORP |
Technical Data | NSN 5305-00-018-1703
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
FASTENER LENGTH | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
THREAD DIRECTION | RIGHT-HAND |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 2A |
MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |