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Part Number:
NSN:
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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
06950 ALCOA GLOBAL FASTENERS INC. DBA ALCO

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION NAS672 ASSN STD 1ST TREATMENT RESPONSE OVERALL OR MIL-C-8837 TY2 CL2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
THSD THREAD SERIES DESIGNATOR UNJF
ANEE GRIP LENGTH 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM
AAJD THREAD CLASS 3A
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CADMIUM OVERALL OR CHROMATE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 0.440 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 220000 POUNDS PER SQUARE INCH
AASB FASTENER LENGTH 1.512 INCHES MINIMUM AND 1.559 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
AAUR GRIP DIAMETER 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM
CQFM HARDNESS RATING 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL
AASK HEAD STYLE DOUBLE HEXAGON
MATT MATERIAL STEEL COMP H11 OVERALL
CMLP THREAD QUANTITY PER INCH 20
AASU HEAD HEIGHT 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM

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