Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-557-8564 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: APR386, APR386, 7202031, 720203-1, 5305-00-557-8564, 00-557-8564, 5305005578564, 005578564
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 22, 1969 | 00-557-8564 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-557-8564
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| APR386 | 61081 | PENTAIR EQUIPMENT PROTECTION INC.DBA PENTAIR TECHNICAL PRODUCTS |
| APR386 | 62372 | PRECISE OF CALIFORNIADIV OF ADJUSTABLE BUSHING CORP |
| 720203-1 | 05869 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-00-557-8564
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |
| FASTENER LENGTH | 0.604 INCHES MINIMUM AND 0.614 INCHES MAXIMUM |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.090 INCHES MINIMUM AND 0.093 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.439 INCHES MINIMUM AND 0.459 INCHES MAXIMUM |