Part Details | MACHINE SCREW
5305-00-761-1263 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: 51B22357H, 51B223-57H, 51B22357H, 51B223-57H, 51B22357H, 51B223-57H, 51B22357H, 51B223-57H, 51B22357H, 51B223-57H, 51B22357H, 51B223-57H, 51B22357H, 51B223-57H, 5305-00-761-1263, 00-761-1263, 5305007611263, 007611263
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1960 | 00-761-1263 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
TORQUE SET
Cross Reference | NSN 5305-00-761-1263
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 51B223-57H | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 51B223-57H | 73197 | HI-SHEAR CORPORATION |
| 51B223-57H | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| 51B223-57H | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
| 51B223-57H | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| 51B223-57H | 06725 | SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES |
| 51B223-57H | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
Technical Data | NSN 5305-00-761-1263
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES MINIMUM |
| FASTENER LENGTH | 3.937 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CADMIUM |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.568 INCHES MINIMUM AND 0.593 INCHES MAXIMUM |
| HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |
| SPECIFICATION/STANDARD DATA | 76823-51B223 MANUFACTURERS STANDARD |