Part Details | HEXAGON HEAD CAP SCREW
5305-01-155-9788 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: 5184674802 ITEM 10, 518-4674802 ITEM 10, 5305-01-155-9788, 01-155-9788, 5305011559788, 011559788
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 17, 1983 | 01-155-9788 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5305-01-155-9788
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 518-4674802 ITEM 10 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5305-01-155-9788
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| THREAD LENGTH | 1.830 INCHES MINIMUM AND 1.950 INCHES MAXIMUM |
| FASTENER LENGTH | 7.960 INCHES MINIMUM AND 8.040 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 8 |
| THREAD CLASS | 2A |
| HEAD HEIGHT | 0.690 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL |
| SPECIAL FEATURES | UNDERCUT BETWEEN SHANK AND THREADS 0.380 IN. WIDE 0.800 IN. DIA |
