NSN 5305-00-891-8388

Part Details | SOCKET HEAD CAP SCREW

5305-00-891-8388 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: 57A203622, 57A2036-22, A203622, A-2036-22, A203622, A2036-22, 5305-00-891-8388, 00-891-8388, 5305008918388, 008918388

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 25, 196700-891-838816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-891-8388
Part Number Cage Code Manufacturer
57A2036-2224692HARTZELL PROPELLER INC.
A-2036-2224692HARTZELL PROPELLER INC.
A2036-22FA1D6TECHNIC AVIATION
Technical Data | NSN 5305-00-891-8388
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
FASTENER LENGTH2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.611 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD HEIGHT0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SPECIAL FEATURESKNURLS ON HEAD