Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-334-9817 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: 91676, 5305-00-334-9817, 00-334-9817, 5305003349817, 003349817
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1960 | 00-334-9817 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-334-9817
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 91676 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
Technical Data | NSN 5305-00-334-9817
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.4375 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.580 INCHES NOMINAL |
| FASTENER LENGTH | 2.325 INCHES MINIMUM AND 2.335 INCHES MAXIMUM |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.540 INCHES NOMINAL |
| HEAD HEIGHT | 0.180 INCHES NOMINAL |
| CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 6 |
| FIRST DIAMETER FROM HEAD | 0.326 INCHES MINIMUM AND 0.336 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.4375 INCHES NOMINAL |
| THIRD DIAMETER FROM HEAD | 0.326 INCHES MINIMUM AND 0.336 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.3685 INCHES MINIMUM AND 0.3695 INCHES MAXIMUM |
| FIFTH DIAMETER FROM HEAD | 0.258 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.120 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.700 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.880 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 1.470 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER | 1.564 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SIXTH DIAMETER | 2.325 INCHES MINIMUM AND 2.335 INCHES MAXIMUM |
| SIXTH DIAMETER FROM HEAD | 0.3685 INCHES MINIMUM AND 0.3695 INCHES MAXIMUM |
| SPECIAL FEATURES | END HAS 0.094 IN. SPHERICAL RADIUS POINT,60.0 DEG ANGLE 0.275 IN. LG |