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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
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ANEE GRIP LENGTH 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM
ANEE GRIP LENGTH 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM
AASU HEAD HEIGHT 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AATB WIDTH BETWEEN FLATS 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
AAWB SHANK UNTHREADED HOLE DIAMETER 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE
AAJF THREAD DIRECTION RIGHT-HAND
THSD THREAD SERIES DESIGNATOR UNF
AASB FASTENER LENGTH 3.619 INCHES MINIMUM AND 3.649 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 16
MDCL MATERIAL DOCUMENT AND CLASSIFICATION NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AASK HEAD STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
MATT MATERIAL TITANIUM ALLOY UNS R54520 OVERALL
AASA THREAD LENGTH 0.547 INCHES MINIMUM AND 0.597 INCHES MAXIMUM
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 3.481 INCHES MINIMUM FIRST HOLE AND 3.531 INCHES MAXIMUM FIRST HOLE
AAUR GRIP DIAMETER 0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM

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