Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-638-3810 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: 138657, 5306-00-638-3810, 00-638-3810, 5306006383810, 006383810
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-638-3810 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-638-3810
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 138657 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS |
Technical Data | NSN 5306-00-638-3810
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| NONSTANDARD THREAD PITCH DIAMETER | +0.3455 TO +0.3474 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.590 INCHES MINIMUM |
| FASTENER LENGTH | 3.320 INCHES NOMINAL |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.770 INCHES NOMINAL |
| HEAD HEIGHT | 0.140 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.338 INCHES MINIMUM AND 0.342 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FIRST DIAMETER FROM HEAD | 0.366 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.285 INCHES MINIMUM AND 0.289 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.220 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.700 INCHES MINIMUM AND 2.740 INCHES MAXIMUM |