Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-855-2012 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: 6860840, 5306-00-855-2012, 00-855-2012, 5306008552012, 008552012
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 04, 1967 | 00-855-2012 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON EXTENDED WASHER
Cross Reference | NSN 5306-00-855-2012
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6860840 | 73342 | ALLISON TRANSMISSION, INC. |
Technical Data | NSN 5306-00-855-2012
| 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 | 0.625 INCHES MINIMUM |
| FASTENER LENGTH | 3.625 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.300 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FIRST DIAMETER FROM HEAD | 0.244 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.2489 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.200 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.400 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.600 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.000 INCHES NOMINAL |