Part Details | INTERNAL WRENCHING BOLT
5306-00-781-1281 An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.
Alternate Parts: 5144172, 514417-2, 5144172, 514417-2, 5144172, 514417-2, 5306-00-781-1281, 00-781-1281, 5306007811281, 007811281
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1960 | 00-781-1281 | 06666 ( BOLT, INTERNAL WRENCHING ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5306-00-781-1281
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 514417-2 | 72599 | ALLIEDSIGNAL INCDBA ALLIED-SIGNAL AEROSPACE CO |
| 514417-2 | 70210 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
| 514417-2 | 64547 | HONEYWELL INTERNATIONAL INCDBA HONEYWELL |
Technical Data | NSN 5306-00-781-1281
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.2700 INCHES MAXIMUM |
| FASTENER LENGTH | 0.805 INCHES MINIMUM AND 0.815 INCHES MAXIMUM |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.525 INCHES NOMINAL |