5306-01-169-8249 BOLT,SHEAR Index 5305-01-169-8251 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-169-8250

Federal Supply Class:
5305

National Item Identification Number:
011698250

Description:
SCREW,CAP,SOCKET HEAD

Detail:
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.


Manufacturer Information:
9D386811083CATERPILLAR INC


Techincal Specification:
FASTENER LENGTH0.364 INCHES MINIMUM AND 0.396 INCHES MAXIMUM
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION1E397,FSCM 11083 MFR REF ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL OR ZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.264 INCHES MINIMUM AND 0.396 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial