5305-01-133-7189 SCREW,MACHINE Index 5305-01-133-7191 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-133-7190

Federal Supply Class:
5305

National Item Identification Number:
011337190

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:
NAS1352-12LN2480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH10
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.240 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
FASTENER LENGTH1.440 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
STEEL FASTENER
SURFACE TREATMENTOXIDE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
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 DIAMETER1.107 INCHES MINIMUM AND
1.125 INCHES MAXIMUM
HEAD HEIGHT0.740 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.625 INCHES MINIMUM AND
0.631 INCHES MAXIMUM
LOCKING FEATUREPELLET THREADS
SPECIAL FEATURESCOLOR BLACK
SPECIFICATION/STANDARD DATA80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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