NSN 5305-01-147-6643

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-147-6643 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: 885B052165, 885B052165, 885B052165, 5305-01-147-6643, 01-147-6643, 5305011476643, 011476643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 21, 198301-147-664301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-147-6643
Part Number Cage Code Manufacturer
885B05216534228L3 TECHNOLOGIES, INC.DBA L3 KEO
885B05216503956NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS
885B052165D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-147-6643
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.220 INCHES NOMINAL
FASTENER LENGTH0.657 INCHES NOMINAL
HEAD STYLE4 UNDERCUT HEXAGON
HEAD DIAMETER0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD HEIGHT0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS0.078 INCHES MINIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.123 INCHES MINIMUM AND 0.124 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM