NSN 5305-00-193-4539
Part Details | HEXAGON HEAD CAP SCREW
5305-00-193-4539 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: 4S9135, 5305-00-193-4539, 00-193-4539, 5305001934539, 001934539
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | MAR 16, 1973 | 00-193-4539 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

Cross Reference | NSN 5305-00-193-4539
Part Number | Cage Code | Manufacturer |
---|---|---|
4S9135 | 11083 | CATERPILLAR INC.DBA CATERPILLAR |
Technical Data | NSN 5305-00-193-4539
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNJF |
THREAD LENGTH | 1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM |
FASTENER LENGTH | 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM |
HEAD STYLE | UNDERCUT HEXAGON |
THREAD DIRECTION | RIGHT-HAND |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
THREAD QUANTITY PER INCH | 16 |
THREAD CLASS | 3A |
HEAD HEIGHT | 0.460 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 1.106 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |