NSN 5305-00-286-1684

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-286-1684 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: 5222607, 3239943, 323994-3, 5305-00-286-1684, 00-286-1684, 5305002861684, 002861684

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-286-168401852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-286-1684
Part Number Cage Code Manufacturer
522260719206ARMY, UNITED STATES DEPARTMENT OFTHE
323994-3D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-00-286-1684
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.141 INCHES MINIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD STYLE7 DISHED HEXAGON
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.141 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.610 INCHES NOMINAL