5310-14-344-6368 WASHER,KEY Index 5306-14-344-6428 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-14-344-6385

Federal Supply Class:
5305

National Item Identification Number:
143446385

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:
22126BC040008LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22126BC040008LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22126BC040008LF0236SAINT CHAMOND GRANAT SA
22126BC040008LF0434ALIGN AEROSPACE FRANCE SAS
22126BC040008LF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
9802040814F0228SAFRAN HELICOPTER ENGINES
L22126-40-8BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH8.0 MILLIMETERS NOMINAL
HEAD HEIGHT2.5 MILLIMETERS NOMINAL
HEAD HOLE CONFIGURATION STYLEHEXAGON FLATS
HEAD STYLEHEXAGON
HOLE DIAMETER1.0 MILLIMETERS NOMINAL
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 CLASSIFICATIONNF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE
WIDTH BETWEEN FLATS7.0 MILLIMETERS NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH5.5 MILLIMETERS NOMINAL


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