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National Stock Number:
5305-14-448-2646
Federal Supply Class:
5305
National Item Identification Number:
144482646
Description:
SCREW,CAP,HEXAGON HEAD
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:
| 365A31-1970-21 | F0210 | AIRBUS HELICOPTERS (ETS DEMARIGNANE) |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 229.25 MILLIMETERS NOMINAL FIRST HOLE | | EXTENDED WASHER DIAMETER | 32.5 MILLIMETERS NOMINAL | | EXTENDED WASHER THICKNESS | 5.0 MILLIMETERS NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 4H | | FASTENER LENGTH | 235.5 MILLIMETERS MINIMUM AND 236.5 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 18.5 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | F3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 35NCD16 OVERALL | | MINIMUM TENSILE STRENGTH | 1250 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | SHANK UNTHREADED HOLE DIAMETER | 4.5 MILLIMETERS NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 24.0 MILLIMETERS NOMINAL | | SURFACE FINISH | 1.6 MICROMETERS GRIP | | SURFACE TREATMENT | NITRURATION GRIP | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 28.0 MILLIMETERS MINIMUM AND 29.0 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1.5 |
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