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National Stock Number:
5305-14-438-4949
Federal Supply Class:
5305
National Item Identification Number:
144384949
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:
| 99140516 | 65597 | THALES USA, INC. | | 99140516 | F6481 | THALES SA | | E25137A40Q20ZJAPA | F0110 | AFNOR ASSOCIATION FRANCAISE DE NORMALISATION | | E25137A40Q20ZJAPA | F1236 | PREAULT TECHNOLOGIES | | N9Q1ZJ040020APA | F0110 | AFNOR ASSOCIATION FRANCAISE DE NORMALISATION | | VIS HS M4X20/20 A4-80 PASSIVE | F6481 | THALES SA |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 2.68 MILLIMETERS MINIMUM AND 2.92 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | PASSIVATE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MA-E27 CODE PA MIL SPEC SINGLE TREATMENT RESPONSE | | WIDTH BETWEEN FLATS | 6.78 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM | | TEST DATA DOCUMENT | F0110-E27-003 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 0.7 |
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