5305-01-277-9900 SCREW,MACHINE Index 5305-01-277-9902 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-277-9901

Federal Supply Class:
5305

National Item Identification Number:
012779901

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:
MS21262-6180205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21262-6196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.985 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH16000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.625 INCHES
SPECIFICATION/STANDARD DATA96906-MS21262-61 GOVERNMENT STANDARD
WIDTH ACROSS FLATS0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 11,CL 3 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.000 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH18


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