NSN 5305-01-185-8391

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-185-8391 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: 13032583, 13032583, 5305-01-185-8391, 01-185-8391, 5305011858391, 011858391

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 04, 198401-185-839101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-01-185-8391
Part Number Cage Code Manufacturer
1303258318876U S ARMY AVIATION AND MISSILECOMMAND
1303258326772WEGO PRECISION MACHINE, INC.
Technical Data | NSN 5305-01-185-8391
Characteristic Specifications
NOMINAL THREAD DIAMETER3.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.5
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH4.8 MILLIMETERS NOMINAL
FASTENER LENGTH12.0 MILLIMETERS NOMINAL
HEAD DIAMETER7.00 MILLIMETERS NOMINAL
HEAD HEIGHT1.80 MILLIMETERS NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD2.1 MILLIMETERS NOMINAL
SECOND DIAMETER FROM HEAD3.0 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER7.2 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER12.0 MILLIMETERS NOMINAL