NSN 5305-00-173-8451

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-173-8451 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: C320000166, 5305-00-173-8451, 00-173-8451, 5305001738451, 001738451

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 16, 197300-173-845101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-173-8451
Part Number Cage Code Manufacturer
C32000016688818KEARFOTT CORPORATIONDBA KEARFOTT
Technical Data | NSN 5305-00-173-8451
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH56
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.130 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.060 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.309 INCHES MINIMUM AND 0.370 INCHES MAXIMUM