5305-00-218-5109 SCREW,MACHINE Index 9350-00-218-5112 BRICK,REFRACTORY,SPECIAL SHAPE

National Stock Number:
5305-00-218-5111

Federal Supply Class:
5305

National Item Identification Number:
002185111

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:
77C708797P06403538LOCKHEED MARTIN CORPORATION


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD DIAMETER0.359 INCHES MINIMUM AND 0.411 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.530 INCHES MINIMUM AND 0.623 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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