NSN 5305-00-073-0231

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-073-0231 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: 8769409, 5305-00-073-0231, 00-073-0231, 5305000730231, 000730231

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-073-023101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-073-0231
Part Number Cage Code Manufacturer
876940919206ARMY, UNITED STATES DEPARTMENT OFTHE
Technical Data | NSN 5305-00-073-0231
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.125 INCHES MAXIMUM
FASTENER LENGTH1.375 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD HEIGHT1.125 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.609 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.495 INCHES MINIMUM AND 0.498 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.975 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.400 INCHES NOMINAL