Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-739-3340 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: 389731, 389731, 389731, 5306-00-739-3340, 00-739-3340, 5306007393340, 007393340
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-739-3340 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5306-00-739-3340
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 389731 | 57472 | ALL MANUFACTURERS, INC.DBA ALLIED HARBOR AEROSPACE |
| 389731 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| 389731 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 5306-00-739-3340
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.430 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| FASTENER LENGTH | 4.290 INCHES MINIMUM AND 4.310 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| FIRST DIAMETER FROM HEAD | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.194 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.194 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.280 INCHES MINIMUM AND 3.300 INCHES MAXIMUM |