Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-374-8238 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: 13277, 5306-00-374-8238, 00-374-8238, 5306003748238, 003748238
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-374-8238 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-374-8238
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13277 | 95201 | NAPCO INTERNATIONAL LLC |
Technical Data | NSN 5306-00-374-8238
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.875 INCHES MAXIMUM |
| FASTENER LENGTH | 3.375 INCHES NOMINAL |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.750 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.281 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FIRST DIAMETER FROM HEAD | 0.450 INCHES MINIMUM AND 0.452 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.450 INCHES MINIMUM AND 0.452 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| 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 THIRD DIAMETER | 1.562 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 2.500 INCHES NOMINAL |