NSN 5305-01-179-6641

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-179-6641 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: 7608614002, 7608614-002, 5305-01-179-6641, 01-179-6641, 5305011796641, 011796641

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 20, 198401-179-664101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-179-6641
Part Number Cage Code Manufacturer
7608614-00293322GE AVIATION SYSTEMS LLCDBA GE AVIATION
Technical Data | NSN 5305-01-179-6641
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.187 INCHES NOMINAL
FASTENER LENGTH0.688 INCHES NOMINAL
HEAD STYLE2 DISHED HEXAGON
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
POINT LENGTH0.030 INCHES NOMINAL
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.078 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.112 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.501 INCHES NOMINAL