5305-00-052-4031 SCREW,CAP,SOCKET HEAD Index 5305-00-052-4033 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-00-052-4032

Federal Supply Class:
5305

National Item Identification Number:
000524032

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:
NAS1351-7LE16P80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.884 INCHES MINIMUM AND
1.016 INCHES MAXIMUM
FASTENER LENGTH0.984 INCHES MINIMUM AND
1.016 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.642 INCHES MINIMUM AND
0.656 INCHES MAXIMUM
HEAD HEIGHT0.430 INCHES MINIMUM AND
0.437 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND
0.379 INCHES MAXIMUM
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS
SPECIFICATION/STANDARD DATA80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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