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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , SHEAR

Definition:

A HIGH STRENGTH, 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH EXTERNALLY THREADED FASTENER DESIGNED FOR USE IN APPLICATIONS INVOLVING GREAT SHEAR STRESS. THE HEAD IS DESIGNED TO ACCOMMODATE AN EXTERNAL WRENCH OR DRIVER. 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. THE UNTHREADED PORTION IS OF SPECIFIC 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. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE BOLT, MACHINE AND BOLT, CLEVIS.

CAGE Information

Code Company
17446 HUCK INTERNATIONAL INC. DBA ALCOA FA

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
THSD THREAD SERIES DESIGNATOR UNJF
CQFM HARDNESS RATING 51.0 ROCKWELL C MINIMUM OVERALL AND 54.0 ROCKWELL C MAXIMUM OVERALL
CQBC MINIMUM TENSILE STRENGTH 260000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CADMIUM OVERALL OR CHROMATE OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AAUR GRIP DIAMETER 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-8837 TY 1 CL 2 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-C-8837 TY 2 CL 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
AASB FASTENER LENGTH 2.549 INCHES MINIMUM AND 2.579 INCHES MAXIMUM
AASA THREAD LENGTH 0.789 INCHES MINIMUM AND 0.839 INCHES MAXIMUM
AASU HEAD HEIGHT 0.464 INCHES NOMINAL
ANEE GRIP LENGTH 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM
AATC EXTENDED WASHER DIAMETER 0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
MATT MATERIAL STEEL COMP H11 OVERALL
CMLP THREAD QUANTITY PER INCH 20
AATD EXTENDED WASHER THICKNESS 0.083 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
AASK HEAD STYLE DOUBLE HEXAGON W/HOLE

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