NSN 5305-01-227-2778

Part Details | SOCKET HEAD CAP SCREW

5305-01-227-2778 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: 917AS2011, 5305-01-227-2778, 01-227-2778, 5305012272778, 012272778

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 01, 198601-227-277816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-227-2778
Part Number Cage Code Manufacturer
917AS201130003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
Technical Data | NSN 5305-01-227-2778
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
FASTENER LENGTH0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD STYLE HEXAGON
HEAD HEIGHT0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.247 INCHES NOMINAL