NSN 5305-00-021-3213

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-021-3213 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: 6187841, 618784-1, 5305-00-021-3213, 00-021-3213, 5305000213213, 000213213

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 17, 196800-021-321301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-021-3213
Part Number Cage Code Manufacturer
618784-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-00-021-3213
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
FASTENER LENGTH0.810 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.202 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM
SPECIAL FEATURESPAINTED AREA GRAY COLOR NO. 36231 FED STD 595