5310-00-221-6441 NUT,PLAIN,HEXAGON Index 5330-00-221-6457 GASKET AND SEAL SET

National Stock Number:
5305-00-221-6452

Federal Supply Class:
5305

National Item Identification Number:
002216452

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:
H66716020688818KEARFOTT CORPORATION


Techincal Specification:
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
HEAD DIAMETER0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.086 INCHES
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD LENGTH0.323 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


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