Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-01-157-8359 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: B486425, 5306-01-157-8359, 01-157-8359, 5306011578359, 011578359
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 13, 1983 | 01-157-8359 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-01-157-8359
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| B486425 | K0378 | ROLLS-ROYCE MILITARY AERO ENGINESLTD |
Technical Data | NSN 5306-01-157-8359
| 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 | 0.580 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
| FASTENER LENGTH | 1.270 INCHES NOMINAL |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD HEIGHT | 0.150 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| SECOND DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.500 IN. LG OF BODY GROUND WITH A RADIUS 0.150 IN. EQUALLY FROM EACH END TO 0.195 IN. DIA FROM 0.250 IN. |