NSN 5305-00-921-0930

Part Details | SOCKET HEAD CAP SCREW

5305-00-921-0930 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: A48193, A4819-3, 9480019003, 9-480019-003, A48193, A4819-3, 9480019003, 9-480019-003, 5305-00-921-0930, 00-921-0930, 5305009210930, 009210930

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 11, 196500-921-093016282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

SIX SPLINE

ROUND

Cross Reference | NSN 5305-00-921-0930
Part Number Cage Code Manufacturer
A4819-33U752GRANDEUR FASTENERS, INCORPORATED
9-480019-00359501UNISON INDUSTRIES, LLC
A4819-396429WESTPORT INTERNATIONAL INC.
9-480019-00396429WESTPORT INTERNATIONAL INC.
Technical Data | NSN 5305-00-921-0930
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.188 INCHES MAXIMUM
FASTENER LENGTH0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
INTERNAL DRIVE STYLE SIX SPLINE
SPLINE MINOR DIAMETER0.096 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
SPLINE MAJOR DIAMETER0.113 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
SPLINE WIDTH0.023 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY5
HOLE DIAMETER0.031 INCHES NOMINAL
SPECIAL FEATURESBEARING SURFACE 0F HEAD CHAMFERED T0 SHANK DIA AT 20 DEG