5305-14-305-1072 SCREW,MACHINE Index 5305-14-305-1079 SCREW,MACHINE

National Stock Number:
5305-14-305-1077

Federal Supply Class:
5305

National Item Identification Number:
143051077

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:
22251BC030010LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22256BC030010LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22256BC030010LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22256BC030010LF0236SAINT CHAMOND GRANAT SA
22256BC030010LF0434ALIGN AEROSPACE FRANCE SAS
22256BC030010LF1236PREAULT TECHNOLOGIES
22256BC030010LF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
9840031014F0228SAFRAN HELICOPTER ENGINES
L22256-30-10BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH10.0 MILLIMETERS NOMINAL
HEAD DIAMETER6.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER3.0 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
TEST DATA DOCUMENTF3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH8.7 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.5


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