NSN 5305-00-206-3958
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-206-3958 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 undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
Alternate Parts: A76823, A76823, 5305-00-206-3958, 00-206-3958, 5305002063958, 002063958
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-206-3958 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-206-3958
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A76823 | 78047 | CAPITOL ENGINE CO INCDBA SALMINI WORLDWIDE |
| A76823 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INCDIV SENSORS & CONTROLS |
Technical Data | NSN 5305-00-206-3958
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| FASTENER LENGTH | 6.271 INCHES MINIMUM AND 6.291 INCHES MAXIMUM |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.885 INCHES MAXIMUM |
| HEAD HEIGHT | 0.416 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 5 |
| FIRST DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.488 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| FIFTH DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.115 INCHES MINIMUM AND 3.135 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER | 5.146 INCHES MINIMUM AND 5.166 INCHES MAXIMUM |
| SPECIAL FEATURES | SIXTH DIA FROM HEAD 0.488 TO 0.495,SEVENTH DIA FROM HEAD 0.415 TO 0.425,5.458 TO 5.478 LG FROM BEARING SURFACE OF HEAD TO END OF SIXTH DIA,5.583 TO 5.603 LG FROM BEARING SURFACE OF HEAD TO END OF SEVENTH DIA |