5305-00-249-7735 SCREW,INSTRUMENT Index 5310-00-249-7739 WASHER,RECESSED

National Stock Number:
5305-00-249-7738

Federal Supply Class:
5305

National Item Identification Number:
002497738

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:
20098-3F3856878SPS TECHNOLOGIES, LLC
577R360H0497942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
FASTENER LENGTH2.344 INCHES MINIMUM AND
2.406 INCHES MAXIMUM
MATERIALSTEEL COMP 302 OR
STEEL COMP 303 OR
STEEL COMP 304 OR
STEEL COMP 305 OR
STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 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
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE97942
MFR SOURCE CONTROLLING REFERENCE577R360H04


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