5305-14-308-7544 SCREW,MACHINE Index 5305-14-308-7549 SCREW,MACHINE

National Stock Number:
5305-14-308-7546

Federal Supply Class:
5305

National Item Identification Number:
143087546

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:
22256BC050014LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22256BC050014LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22256BC050014LF1236PREAULT TECHNOLOGIES
22256BC050014LF6760DEMAT SA
22256BC050014LF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
650-781-038-0F0301SNECMA MOTEURS GROUPE SNECMA
9840051014F0228SAFRAN HELICOPTER ENGINES
9840051414F0228SAFRAN HELICOPTER ENGINES
L22256-50-14BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
NFL22-256-BC-050-014-LF0542INDRAERO SIREN


Techincal Specification:
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 LENGTH11.9 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.8
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH14.0 MILLIMETERS NOMINAL
HEAD DIAMETER10.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH880 MEGAPASCALS
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE


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