NSN 5305-00-090-1798
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-090-1798 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: 4214526, 421452-6, 5305-00-090-1798, 00-090-1798, 5305000901798, 000901798
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-090-1798 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-00-090-1798
Part Number | Cage Code | Manufacturer |
---|---|---|
421452-6 | 94580 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
Technical Data | NSN 5305-00-090-1798
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 | 0.040 INCHES MINIMUM |
FASTENER LENGTH | 0.453 INCHES NOMINAL |
MINIMUM TENSILE STRENGTH | 100000 POUNDS PER SQUARE INCH |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.120 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.125 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 1 CROSS RECESS TYPE II |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
FIRST DIAMETER FROM HEAD | 0.120 INCHES NOMINAL |
SECOND DIAMETER FROM HEAD | 0.082 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.016 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.397 INCHES NOMINAL |