5310-14-298-3678 NUT,SELF-LOCKING,CASTELLATED,HEX Index 5310-14-298-4012 WASHER,FLAT

National Stock Number:
5305-14-298-3791

Federal Supply Class:
5305

National Item Identification Number:
142983791

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:
0135004M00F0555MBDA FRANCE
22257BC040008LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22259BC040008LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22259BC040008LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22259BC040008LF0236SAINT CHAMOND GRANAT SA
22259BC040008LF0434ALIGN AEROSPACE FRANCE SAS
22259BC040008LF1236PREAULT TECHNOLOGIES
22259BC040008LF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
38290BC040008LF6117DASSAULT AVIATION
771862003609 0000VNCB HUNGARY HONVEDSEGI EGYSEGES TERMEKKOD
L22259-40-8BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH8.0 MILLIMETERS NOMINAL
HEAD DIAMETER8.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE II
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 OR CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE
TEST DATA DOCUMENTF3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH6.3 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7


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