5305-01-312-4954 SCREW,CAP,SOCKET HEAD Index 5305-01-312-4956 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-312-4955

Federal Supply Class:
5305

National Item Identification Number:
013124955

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:
6-32UNC3/8BHA08664BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC
965876-18C82577RAYTHEON COMPANY
FS2012-18C58998FASTENER INNOVATION TECHNOLOGY, INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.283 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
FASTENER LENGTH0.345 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
MATERIALSTEEL COMP 4037 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLEROUND
HEAD DIAMETER0.226 INCHES MINIMUM AND
0.238 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND
0.073 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL


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