NSN 5305-00-206-5547

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-206-5547 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: 203B1019, 203B1019, SMB190521, 5305-00-206-5547, 00-206-5547, 5305002065547, 002065547

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-206-554701852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-206-5547
Part Number Cage Code Manufacturer
203B10191VPW8GENERAL DYNAMICS MISSION SYSTEMS,INC
203B101994990MOTOROLA INC.DBA INTEGRATED INFORMATION SYSTEMS
SMB19052180063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5305-00-206-5547
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.688 INCHES MINIMUM
FASTENER LENGTH2.875 INCHES NOMINAL
HEAD STYLE4 CROWNED HEXAGON
HEAD DIAMETER0.378 INCHES NOMINAL
HEAD HEIGHT0.078 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.140 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.188 INCHES NOMINAL
SPECIAL FEATURESCONE POINT 90 DEGREES INCL ANGLE 3/32 INCHES LENGTH PART OF THREAD LENGTH