5305-14-310-0522 SCREW,MACHINE Index 5305-14-310-0525 SCREW,MACHINE

National Stock Number:
5305-14-310-0523

Federal Supply Class:
5305

National Item Identification Number:
143100523

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:
22256BC040016LF0074BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA
22256BC040016LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22256BC040016LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22256BC040016LF0236SAINT CHAMOND GRANAT SA
22256BC040016LF0434ALIGN AEROSPACE FRANCE SAS
22256BC040016LF1236PREAULT TECHNOLOGIES
22256BC040016LF3669DELTA METAL
22256BC040016LF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
9840041614F0228SAFRAN HELICOPTER ENGINES
L22256-40-16BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
VIS TF 100,M4X16/35NC6/CD8BF7629DGA/DO


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH16.0 MILLIMETERS NOMINAL
HEAD DIAMETER8.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
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
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH14.3 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7


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