NSN 5305-00-871-4273

Part Details | SOCKET HEAD CAP SCREW

5305-00-871-4273 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: L320002512, 2042103, 5305-00-871-4273, 00-871-4273, 5305008714273, 008714273

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 03, 196700-871-427316282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-871-4273
Part Number Cage Code Manufacturer
L32000251236090LOCKHEED MARTIN LIBRASCOPECORP
204210310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-871-4273
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
FASTENER LENGTH3.439 INCHES MINIMUM AND 3.501 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.187 INCHES NOMINAL