Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-474-3503 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: 5447, 5447, 5306-00-474-3503, 00-474-3503, 5306004743503, 004743503
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-474-3503 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-474-3503
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5447 | 55948 | BOTOMAN MFG CO INC |
| 5447 | 14451 | SOON AIR CO |
Technical Data | NSN 5306-00-474-3503
| 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 | 0.302 INCHES NOMINAL |
| FASTENER LENGTH | 1.375 INCHES MINIMUM AND 1.395 INCHES MAXIMUM |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.448 INCHES MINIMUM AND 0.488 INCHES MAXIMUM |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FIRST DIAMETER FROM HEAD | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.312 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| ASKEWED HEAD ANGLE | 30.0 DEGREES NOMINAL |