NSN 5305-00-233-8641

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-233-8641 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: 10243940, 5305-00-233-8641, 00-233-8641, 5305002338641, 002338641

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 12, 197100-233-864101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-233-8641
Part Number Cage Code Manufacturer
1024394018876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-00-233-8641
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.593 INCHES MINIMUM AND 0.657 INCHES MAXIMUM
FASTENER LENGTH1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
HEAD HEIGHT0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.129 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM