5305-14-369-3510 SCREW,CLOSE TOLERANCE Index 5305-14-369-3512 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-14-369-3511

Federal Supply Class:
5305

National Item Identification Number:
143693511

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
3939BE060023MF6117DASSAULT AVIATION


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS3
FASTENER LENGTH25.75 MILLIMETERS MINIMUM AND 26.25 MILLIMETERS MAXIMUM
GRIP DIAMETER5.978 MILLIMETERS MINIMUM AND 5.990 MILLIMETERS MAXIMUM
HEAD DIAMETER11.5 MILLIMETERS MINIMUM
HEAD HEIGHT2.6 MILLIMETERS NOMINAL
HEAD STYLEERR-090
INTERNAL DRIVE STYLECROSS RECESS TYPE II
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 30NCD16 OVERALL
MINIMUM TENSILE STRENGTH1080 MEGAPASCALS
MINIMUM YIELD STRENGTH8800 MEGAPASCALS
NOMINAL THREAD DIAMETER6.0 MILLIMETERS
SPECIAL FEATURESBOUT PILOTE LONG 3MM-DIAMETRE DE FOND DE GORGE 8.4MM MINI ET 8.5MM MAXI
SURFACE FINISH0.8 MICROMETERS BEARING SURFACE OF HEAD
SURFACE FINISH0.8 MICROMETERS GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE M NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE SIDES OF HEAD
SURFACE TREATMENTCADMIUM AND CHROMATE THREADS
SURFACE TREATMENTCADMIUM AND CHROMATE TOP OF HEAD
SURFACE TREATMENTOIL BEARING SURFACE OF HEAD
SURFACE TREATMENTOIL GRIP
TEST DATA DOCUMENTF3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH10.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.0


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