4730-14-375-4019 REDUCER,TUBE Index 4730-14-375-4024 REDUCER,TUBE

National Stock Number:
5305-14-375-4022

Federal Supply Class:
5305

National Item Identification Number:
143754022

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:
A221-52130F6137SAFRAN LANDING SYSTEMS


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS2
FASTENER LENGTH21.0 MILLIMETERS NOMINAL
HEAD HEIGHT3.75 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM
HEAD HOLE CONFIGURATION STYLEHEXAGON FLATS
HEAD STYLEHEXAGON
HOLE DIAMETER1.5 MILLIMETERS MINIMUM AND 1.7 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MINIMUM TENSILE STRENGTH1030 MEGAPASCALS
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM
WIDTH BETWEEN FLATS6.85 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH10.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7


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