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National Stock Number:
5305-14-321-1250
Federal Supply Class:
5305
National Item Identification Number:
143211250
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:
| 22272BC040040L | F0074 | BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA | | 22272BC040040L | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | 22272BC040040L | F0188 | BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE | | 22272BC040040L | F0236 | SAINT CHAMOND GRANAT SA | | 22272BC040040L | F0434 | ALIGN AEROSPACE FRANCE SAS | | 22272BC040040L | F3669 | DELTA METAL | | L22272-40-40BCL | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 4H | | FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL | | HEAD DIAMETER | 7.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 2.8 MILLIMETERS NOMINAL | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | SCREW MATERIAL | ACIER 35NC6 OU 16NCD5 | | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE | | TEST DATA DOCUMENT | F3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 40.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 0.7 |
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