5310-00-127-7975 WASHER,FLAT Index 4940-00-127-7977 HEATER,BOLT,ELECTRIC

National Stock Number:
5305-00-127-7976

Federal Supply Class:
5305

National Item Identification Number:
001277976

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:
69300-3-473030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.336 INCHES MINIMUM AND
0.428 INCHES MAXIMUM
FASTENER LENGTH0.484 INCHES MINIMUM AND
0.516 INCHES MAXIMUM
MATERIALSTEEL COMP 304 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH80000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.303 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND
0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND
0.159 INCHES MAXIMUM
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.044 INCHES MINIMUM AND
0.051 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
63.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
THE MANUFACTURERS DATA
MANUFACTURERS CODE73030
DESIGN CONTROL REFERENCE69300-3-4


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