5305-14-251-7987 SCREW,MACHINE Index 5305-14-251-7989 SCREW

National Stock Number:
5305-14-251-7988

Federal Supply Class:
5305

National Item Identification Number:
142517988

Description:
SCREW,MACHINE

Detail:
(ALL EXCEPT USA) A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION MAY EXTEND ON PART OR WHOLE OF ITS SHANK. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH A TOOL. THE THREADED PORTION IS CYLINDRICAL AND ITS DIAMETER 1.6 MM OR MORE. FOR ITEMS WITH DIAMETERS BELOW 1.6 MM SEE SCREW, INSTRUMENT. THE ITEM IS DESIGNED TO BE DRIVEN IN A PREEXISTING MATING SCREWTHREAD OR TO ACCOMMODATE A NUT, INSURING ASSEMBLING OF PARTS, WITH THE PART OPPOSITE THE HEAD ACTING AS A NUT, OR INSURING A GRIP BETWEEN THE BEARING SURFACE OF ITS HEAD AND THAT OF A NUT SCREWED ON ITS END. THE THREADED END MAY HAVE A PILOT FOR EASIER DRIVING INTO A DRILLED HOLE. IF THE POINT IS DESIGNED TO PREVENT OR RESTRICT RELATIVE MOVEMENTS OF PARTS SEE SETSCREW. DO NOT USE IF A MORE SPECIFIC ITEM NAME APPLIES. IF THE ITEM IS FURNISHED WITH ATTACHMENTS SUCH AS NUT(S), WASHER(S), PIN(S), AND THE LIKE, SEE SCREW ASSEMBLY OR BOLT (AS MODIFIED).


Manufacturer Information:
22140BC040012LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22140BC040012LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22140BC040012LF0236SAINT CHAMOND GRANAT SA
22140BC040012LF1236PREAULT TECHNOLOGIES
22140BC040012LF6760DEMAT SA
22140BC040012LF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
99010341F6481THALES SA
L22140-40-12BCLF0074BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA
L22140-40-12BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
L22140-40-12BCLF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
L22140-40-12BCLF0236SAINT CHAMOND GRANAT SA
L22140-40-12BCLF0434ALIGN AEROSPACE FRANCE SAS
L22140-40-12BCLF3669DELTA METAL
L22140-40-12BCLF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS2
FASTENER LENGTH12.0 MILLIMETERS NOMINAL
HEAD HEIGHT2.5 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MINIMUM TENSILE STRENGTH880 MEGAPASCALS
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMA-E25-E27 CODE L MIL SPEC SINGLE TREATMENT RESPONSE
WIDTH BETWEEN FLATS7.0 MILLIMETERS NOMINAL
TEST DATA DOCUMENTF3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH12.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7


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