Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-841-6999 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: 1638ADHAC, 1638ADHAC, 5306-00-841-6999, 00-841-6999, 5306008416999, 008416999
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-841-6999 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-841-6999
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1638ADHAC | 82796 | COLTEC INDUSTRIES INC.DBA FAIRBANKS MORSE ENGINE |
| 1638ADHAC | 7PZX0 | FAIRBANKS MORSE, LLC |
Technical Data | NSN 5306-00-841-6999
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MINIMUM |
| FASTENER LENGTH | 2.812 INCHES NOMINAL |
| MINIMUM YIELD STRENGTH | 105000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.312 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.375 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| FIRST DIAMETER FROM HEAD | 0.562 INCHES NOMINAL |
| SECOND DIAMETER FROM HEAD | 0.623 INCHES NOMINAL |
| THIRD DIAMETER FROM HEAD | 0.535 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.125 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.875 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.062 INCHES NOMINAL |
| SPECIAL FEATURES | 1 LOCKNUT FURNISED; BOTH ENDS CENTER DRILLED 0.250 IN. BY 0.261 IN. BY 60 DEG |