5305-14-251-7991 SCREW,CAP,HEXAGON HEAD Index 5305-14-251-8013 SCREW,MACHINE

National Stock Number:
5305-14-251-7994

Federal Supply Class:
5305

National Item Identification Number:
142517994

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).


Manufacturer Information:
22140BC080016LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22140BC080016LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
L22140-80-16BCLF0074BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA
L22140-80-16BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
L22140-80-16BCLF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
L22140-80-16BCLF0236SAINT CHAMOND GRANAT SA
L22140-80-16BCLF0434ALIGN AEROSPACE FRANCE SAS
L22140-80-16BCLF4871LEFEBVRE STE DES ANCIENS ETS PAUL SA


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS2
FASTENER LENGTH16.0 MILLIMETERS NOMINAL
HEAD HEIGHT4.5 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 35NC6 OVERALL
MINIMUM TENSILE STRENGTH880 MEGAPASCALS
MINIMUM YIELD STRENGTH740 MEGAPASCALS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH BETWEEN FLATS13.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
TEST DATA DOCUMENTF3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH16.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.25


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