NSN 5305-01-168-4480

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-168-4480 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: 520391, 52039-1, 10115513, 5305-01-168-4480, 01-168-4480, 5305011684480, 011684480

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 19, 198301-168-448001852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-168-4480
Part Number Cage Code Manufacturer
52039-108719DUCOMMUN LABARGE TECHNOLOGIES, INCDBA AMERICAN ELECTRONICS
10115513A486GNIMIKKEISTOKESKUS NCB FINLAND
Technical Data | NSN 5305-01-168-4480
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.189 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH2.455 INCHES NOMINAL
FASTENER LENGTH3.145 INCHES MINIMUM AND 3.205 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.310 INCHES NOMINAL
HEAD HEIGHT0.090 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE II
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.720 INCHES NOMINAL
SPECIAL FEATURESCOLOR BLACK