NSN 5305-00-271-2008

Part Details | SOCKET HEAD CAP SCREW

5305-00-271-2008 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: AN148659, 5305-00-271-2008, 00-271-2008, 5305002712008, 002712008

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-271-200816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

ROUND

Cross Reference | NSN 5305-00-271-2008
Part Number Cage Code Manufacturer
AN14865988044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
Technical Data | NSN 5305-00-271-2008
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.627 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
FASTENER LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
HEAD HEIGHT0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL