Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-879-3339 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: 6863076, 6863076, BLT1957, 5306-00-879-3339, 00-879-3339, 5306008793339, 008793339
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 18, 1967 | 00-879-3339 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON EXTENDED WASHER
Cross Reference | NSN 5306-00-879-3339
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6863076 | 73342 | ALLISON TRANSMISSION, INC. |
| 6863076 | K0680 | ROLLS-ROYCE AIRLINES |
| BLT1957 | K0680 | ROLLS-ROYCE AIRLINES |
Technical Data | NSN 5306-00-879-3339
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 1A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.502 INCHES MINIMUM AND 0.522 INCHES MAXIMUM |
| FASTENER LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FIRST DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |