Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-424-4421 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
Alternate Parts: MD3789, 5306-00-424-4421, 00-424-4421, 5306004244421, 004244421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1961 | 00-424-4421 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-424-4421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MD3789 | 76558 | MWM-MURPHY DIESEL CO |
Technical Data | NSN 5306-00-424-4421
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| NONSTANDARD THREAD PITCH DIAMETER | +0.7062 TO +0.7094 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.375 INCHES MINIMUM |
| FASTENER LENGTH | 4.688 INCHES NOMINAL |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 1.188 INCHES NOMINAL |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.988 INCHES MINIMUM AND 0.990 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FIRST DIAMETER FROM HEAD | 0.751 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.663 INCHES MINIMUM AND 0.666 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.375 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 3.313 INCHES NOMINAL |
| SPECIAL FEATURES | TWO DRILLED HOLES IN SHANK,0.437 IN. C TO C |