Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-945-8590 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: 113B3164P1, 5305-00-945-8590, 00-945-8590, 5305009458590, 009458590
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 04, 1966 | 00-945-8590 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-945-8590
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 113B3164P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
Technical Data | NSN 5305-00-945-8590
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.142 INCHES MINIMUM AND 0.178 INCHES MAXIMUM |
| FASTENER LENGTH | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| HEAD HEIGHT | 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FIRST DIAMETER FROM HEAD | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.0933 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.039 INCHES MINIMUM AND 0.043 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.372 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 0.400 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |