Part Details | INTERNAL WRENCHING BOLT
5306-01-077-7903 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: 9139M80P08, 9139M80P05, 9139M80P08, 9139M80P08, 9139M80P08, 9139M80P08, 9139M80P08, 5306-01-077-7903, 01-077-7903, 5306010777903, 010777903
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 31, 1979 | 01-077-7903 | 06666 ( BOLT, INTERNAL WRENCHING ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
HEXAGON
Cross Reference | NSN 5306-01-077-7903
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9139M80P08 | 07482 | GENERAL ELECTRIC COMPANYDBA GE |
| 9139M80P05 | 07482 | GENERAL ELECTRIC COMPANYDBA GE |
| 9139M80P08 | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| 9139M80P08 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 9139M80P08 | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
| 9139M80P08 | 93907 | TEXTRON FASTENING SYSTEMSDBA DECORAH OPERATIONS TFS |
| 9139M80P08 | 06710 | VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND |
Technical Data | NSN 5306-01-077-7903
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.610 INCHES NOMINAL |
| FASTENER LENGTH | 1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.266 INCHES NOMINAL |