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Part Number

Part Number:
NSN:
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Item Name:
BOLT , CLOSE TOLERANCE

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE UNTHREADED PORTION IS OF A SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN-THOUSANDTHS (0.0015) OF AN INCH (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER, NOR IS IT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS HAVING CLOSE TOLERANCE, AND FABRICATED FROM MATERIAL HAVING 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH, SEE BOLT, SHEAR. FOR ITEMS FABRICATED FROM MATERIAL HAVING LESS THAN 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH AND NOT HAVING A CLOSE TOLERANCE, SEE BOLT, MACHINE.

CAGE Information

Code Company
98747 OGDEN AIR LOGISTICS CENTER

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS6485 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL OR NICKEL OVERALL
ANEE GRIP LENGTH 6.000 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNJF
AAUR GRIP DIAMETER 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 260000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 1.439 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 16
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
AGAV END ITEM IDENTIFICATION F-111 ALL
AATB WIDTH BETWEEN FLATS 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-8837,TYPE II,CLASS 3,TYPE II,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL OR AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
AASU HEAD HEIGHT 0.806 INCHES NOMINAL
CQFM HARDNESS RATING 51.0 ROCKWELL C MINIMUM FASTENER AND 54.0 ROCKWELL C MAXIMUM FASTENER
MATT MATERIAL STEEL COMP H11 OVERALL
AATC EXTENDED WASHER DIAMETER 1.415 INCHES MINIMUM AND 1.425 INCHES MAXIMUM
AASK HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
AASB FASTENER LENGTH 7.424 INCHES MINIMUM AND 7.454 INCHES MAXIMUM
AATD EXTENDED WASHER THICKNESS 0.152 INCHES NOMINAL

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