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
L22256-40-16BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
9840041614F0228SAFRAN HELICOPTER ENGINES
22256BC040016LF3669DELTA METAL
22256BC040016LF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA
VIS TF 100,M4X16/35NC6/CD8BF7629DGA/DO


Techincal Specification:
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
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


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