Part Details | HEXAGON HEAD CAP SCREW
5305-00-958-9957 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: MS90725271, MS90725-271, MS90725271, MS90725-271, A277436P11, 5305-00-958-9957, 00-958-9957, 5305009589957, 009589957
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 20, 1966 | 00-958-9957 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5305-00-958-9957
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS90725-271 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS90725-271 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| A277436P11 | 27618 | TAYLOR MACHINE WORKS, INC. |
Technical Data | NSN 5305-00-958-9957
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| THREAD LENGTH | 2.000 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| FASTENER LENGTH | 2.500 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 1.250 INCHES |
| THREAD QUANTITY PER INCH | 7 |
| THREAD CLASS | 2A |
| MINIMUM TENSILE STRENGTH | 105000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 74000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |