5306-01-083-7159 BOLT,MACHINE Index 5305-01-083-7161 SCREW,MACHINE

National Stock Number:
5305-01-083-7160

Federal Supply Class:
5305

National Item Identification Number:
010837160

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:
NAS1189-4T24K04348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1189-4T24K07679HARDWARE SPECIALTY CO. INC.
NAS1189-4T24K07851NOR-CAL SUPPLY CO
NAS1189-4T24K08938AIR INDUSTRIES CO INC
NAS1189-4T24K16941LONG-LOK LLC
NAS1189-4T24K17446HUCK INTERNATIONAL, INC
NAS1189-4T24K30902F AND C SALES INC
NAS1189-4T24K50568APCOM INC
NAS1189-4T24K53606PLASTIC AND METAL PRODUCTS CORPORATION
NAS1189-4T24K56357ND INDUSTRIES INC
NAS1189-4T24K56878SPS TECHNOLOGIES, LLC
NAS1189-4T24K58998FASTENER INNOVATION TECHNOLOGY, INC.
NAS1189-4T24K73197HI-SHEAR CORPORATION
NAS1189-4T24K80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1189-4T24K80539SPS TECHNOLOGIES, LLC
NAS1189-4T24K92215HOWMET GLOBAL FASTENING SYSTEMS INC
NAS1189-4T24K97928HUCK INTL INC


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.261 INCHES MINIMUM AND
1.394 INCHES MAXIMUM
FASTENER LENGTH1.438 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OR
STEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8735 OR
STEEL COMP 6150 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.442 INCHES MINIMUM AND
0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
LOCKING FEATUREPELLET OR
STRIP THREADS
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES THREADS
SPECIFICATION/STANDARD DATA80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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