NSN 5305-00-020-3623

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-020-3623 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: 80600026421, 8060002642-1, 5305-00-020-3623, 00-020-3623, 5305000203623, 000203623

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 17, 197200-020-362301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-020-3623
Part Number Cage Code Manufacturer
8060002642-157057NAVCOM DEFENSE ELECTRONICS, INC.
Technical Data | NSN 5305-00-020-3623
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.361 INCHES MINIMUM
FASTENER LENGTH2.202 INCHES MINIMUM AND 2.232 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FIRST DIAMETER FROM HEAD0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.139 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.219 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.856 INCHES NOMINAL