NSN 5305-01-389-4197

Part Details | SOCKET HEAD CAP SCREW

5305-01-389-4197 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: NAS1352N2064, NAS1352N20-64, 5305-01-389-4197, 01-389-4197, 5305013894197, 013894197

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 24, 199401-389-419716282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-389-4197
Part Number Cage Code Manufacturer
NAS1352N20-6480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-389-4197
Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER1.250 INCHES
THREAD QUANTITY PER INCH7
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH3.125 INCHES MINIMUM
FASTENER LENGTH3.860 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER1.852 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
HEAD HEIGHT1.236 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.875 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD