NSN 5305-00-018-1491
Part Details | HEXAGON HEAD CAP SCREW
5305-00-018-1491 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: 181491, 243701, 113850, BB27187, 181491, 181491, 3X92, 3X92, 91193, 5305-00-018-1491, 00-018-1491, 5305000181491, 000181491
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-018-1491 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5305-00-018-1491
Part Number | Cage Code | Manufacturer |
---|---|---|
181491 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
243701 | 08683 | BROCKWAY MOTOR TRUCKSDIV OF MACK TRUCKS INC |
113850 | 12204 | DAIMLER CHRYSLER |
BB27187 | 56442 | DIAMOND REO TRUCK CO |
181491 | 24617 | GENERAL MOTORS CORP |
181491 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
3X92 | 59690 | KOEHRING COLORAIN DIV |
3X92 | 8E499 | KOEHRING CRANES AND EXCAVATORS INCSUB OF NORTHWEST ENGINEERING CO |
91193 | 65282 | WHITE MOTOR CORP |
Technical Data | NSN 5305-00-018-1491
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
THREAD LENGTH | 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
FASTENER LENGTH | 3.719 INCHES MINIMUM AND 3.781 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
THREAD DIRECTION | RIGHT-HAND |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 2A |
MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.456 INCHES MINIMUM AND 0.481 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |