NSN 5305-00-139-8136

Part Details | SOCKET HEAD CAP SCREW

5305-00-139-8136 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: 4188501206, 418850-1206, 5305-00-139-8136, 00-139-8136, 5305001398136, 001398136

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 10, 197100-139-813616282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-139-8136
Part Number Cage Code Manufacturer
418850-120696214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-00-139-8136
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.275 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FASTENER LENGTH0.375 INCHES NOMINAL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
HEAD STYLE7 DISHED HEXAGON
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL