NSN 5305-00-051-6862

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-051-6862 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: 765694040, 765694-040, 0N08906921, 0N089069-21, 582121324, 58-21-213-24, 5305-00-051-6862, 00-051-6862, 5305000516862, 000516862

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-051-686201852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

SCREW,EXTERNALLY RE | 5305-00-051-6862, 000516862

CROSS RECESS TYPE 1

SCREW,EXTERNALLY RE | 5305-00-051-6862, 000516862
Cross Reference | NSN 5305-00-051-6862
Part Number Cage Code Manufacturer
765694-04056232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
0N089069-2198230NATIONAL SECURITY AGENCY
58-21-213-2494222SOUTHCO, INC.
Technical Data | NSN 5305-00-051-6862
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES MAXIMUM
FASTENER LENGTH1.188 INCHES MAXIMUM
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.562 INCHES MAXIMUM
HEAD HEIGHT0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.185 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.813 INCHES MAXIMUM
FEATURES PROVIDED CASEHARDENED