NSN 5305-01-198-4147

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-198-4147 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: 5187443, 5187443, 5305-01-198-4147, 01-198-4147, 5305011984147, 011984147

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 09, 198501-198-414701852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-198-4147
Part Number Cage Code Manufacturer
518744353711NAVAL SEA SYSTEMS COMMAND
518744315090RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-01-198-4147
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD STYLE4 CROWNED HEXAGON
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
POINT CHAMFER ANGLE90.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.135 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.250 INCHES NOMINAL