5306-01-277-4988 BOLT,SHEAR Index 5305-01-277-4990 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-277-4989

Federal Supply Class:
5305

National Item Identification Number:
012774989

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:
1236027619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
20097-6C-2456878SPS TECHNOLOGIES, LLC


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH1.500 INCHES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.560 INCHES NOMINAL
HEAD HEIGHT0.380 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM YIELD STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH190000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESSTRAIGHT KNURL TO CHAMFER; CHAMFER DIAMOND KNURL
WIDTH ACROSS FLATS0.310 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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