Part Details | INTERNAL WRENCHING BOLT
5306-00-639-2954 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: MS20008H21, MS20008H21, 5306-00-639-2954, 00-639-2954, 5306006392954, 006392954
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-639-2954 | 06666 ( BOLT, INTERNAL WRENCHING ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
HEXAGON
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5306-00-639-2954
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS20008H21 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS20008H21 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5306-00-639-2954
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM |
| FASTENER LENGTH | 2.125 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | 2 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 4 |
| HOLE DIAMETER | 0.062 INCHES NOMINAL |