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National Stock Number:
5305-14-306-3411
Federal Supply Class:
5305
National Item Identification Number:
143063411
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).
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Manufacturer Information:
| CB2-5X5X5CFE | F1958 | LIEBHERR-AEROSPACE TOULOUSE SAS | | CB25CFE050050 | F1958 | LIEBHERR-AEROSPACE TOULOUSE SAS | | S300CB2-5X5X5CFE | F1958 | LIEBHERR-AEROSPACE TOULOUSE SAS |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 4H | | FASTENER LENGTH | 5.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 25.5 ROCKWELL C MINIMUM AND 36.6 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 5.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 1.7 MILLIMETERS NOMINAL | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 880 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 2.5 MILLIMETERS | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | SILVER | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 5.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | SI-M | | THREAD PITCH IN MILLIMETERS | 0.45 |
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