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National Stock Number:
5305-14-252-0353
Federal Supply Class:
5305
National Item Identification Number:
142520353
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:
| 58077 | F0218 | LE BOZEC FILTRATION ET SYSTEMES | | 58077 | F0422 | ZODIAC AEROTECHNICS FUEL & INERTINGSYSTEMS |
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Techincal Specification:
| NOMINAL THREAD DIAMETER | 3.0 MILLIMETERS | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | TIN | | WIDTH BETWEEN FLATS | 5.0 MILLIMETERS NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 12.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | SI-M | | THREAD PITCH IN MILLIMETERS | 0.6 | | EXTERNAL THREAD TOLERANCE CLASS | 2 | | FASTENER LENGTH | 16.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 77.0 ROCKWELL B MINIMUM AND 97.0 ROCKWELL B MAXIMUM | | HEAD HEIGHT | 3.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 490 MEGAPASCALS |
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