5305-01-030-7632 SCREW,MACHINE Index 5305-01-030-7636 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-030-7634

Federal Supply Class:
5305

National Item Identification Number:
010307634

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:
LK1352-4LE56P26304TORKON FASTENER CORP
NAS1352-4LE56P80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COLORBLACK FASTENER
FASTENER LENGTH3.440 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
MATERIALSTEEL FASTENER
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIFICATION/STANDARD DATA80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCADMIUM AND CHROMATE FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH20


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