5305-00-543-5966 SCREW,MACHINE Index 5310-00-543-5969 NUT,PLAIN,WING

National Stock Number:
5305-00-543-5968

Federal Supply Class:
5305

National Item Identification Number:
005435968

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:
MS35458-7296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.437 INCHES MINIMUM
FASTENER LENGTH1.485 INCHES MINIMUM AND
1.530 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR
QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.863 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND
0.625 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS35458-72


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