NSN 5305-01-434-0083

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-434-0083 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: 40161405, 5305-01-434-0083, 01-434-0083, 5305014340083, 014340083

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 17, 199601-434-008301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-434-0083
Part Number Cage Code Manufacturer
401614059F398IAI NORTH AMERICA INC.
Technical Data | NSN 5305-01-434-0083
Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH49.40 MILLIMETERS NOMINAL
FASTENER LENGTH68.0 MILLIMETERS NOMINAL
HEAD STYLE6 UNDERCUT HEXAGON
HEAD DIAMETER50.0 MILLIMETERS NOMINAL
HEAD HEIGHT10.0 MILLIMETERS NOMINAL
DISTANCE FROM CENTERLINE TO FLAT10.0 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLE1 CROSS RECESS TYPE II
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
SECOND DIAMETER FROM HEAD5.0 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER28.60 MILLIMETERS NOMINAL
SPECIAL FEATURESHEAD FINE DIAMOND KNURL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT