5340-14-550-7617 HOLDER,SPRING Index 5305-14-551-3012 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-14-550-7702

Federal Supply Class:
5305

National Item Identification Number:
145507702

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:
E25128A40Q12ZJAF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION
E25128A40Q12ZJAPF0554ARESIA VALENTON
E25128A40Q12ZJAPAF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION
ENISO1580-M4X12-A4-80I9006COMITE EUROPEEN DE NORMALISATION
ISO1580-M4X12-A4-80I9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH12.0 MILLIMETERS NOMINAL
HEAD DIAMETER7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
HEAD HEIGHT2.26 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM
HEAD STYLEFLAT FILLISTER
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH12.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7


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