NSN 5305-00-297-2768

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-297-2768 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: S106448, 5305-00-297-2768, 00-297-2768, 5305002972768, 002972768

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-297-276801852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-297-2768
Part Number Cage Code Manufacturer
S10644898571TELEDYNE CONTROLS, LLC
Technical Data | NSN 5305-00-297-2768
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.156 INCHES MINIMUM
FASTENER LENGTH0.469 INCHES NOMINAL
MINIMUM YIELD STRENGTH35000 POUNDS PER SQUARE INCH
HEAD STYLE4 CROWNED HEXAGON
HEAD DIAMETER0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.076 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.093 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.313 INCHES NOMINAL