NSN 5305-00-013-8973
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-013-8973 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: 412R441H01, 5305-00-013-8973, 00-013-8973, 5305000138973, 000138973
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | MAY 20, 1968 | 00-013-8973 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-013-8973
Part Number | Cage Code | Manufacturer |
---|---|---|
412R441H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS |
Technical Data | NSN 5305-00-013-8973
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.112 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.150 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
FASTENER LENGTH | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
HEAD STYLE | 9 CROWNED HEXAGON |
HEAD DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FIRST DIAMETER FROM HEAD | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |