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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
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.826 INCHES MINIMUM AND 0.893 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
AAJD THREAD CLASS 3A
AASB FASTENER LENGTH 2.524 INCHES MINIMUM AND 2.571 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CQBC MINIMUM TENSILE STRENGTH 220000 POUNDS PER SQUARE INCH
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.396 INCHES MINIMUM FIRST HOLE AND 2.428 INCHES MAXIMUM FIRST HOLE
AAUR GRIP DIAMETER 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM
ANEE GRIP LENGTH 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 16
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
AAWB SHANK UNTHREADED HOLE DIAMETER 0.136 INCHES MINIMUM FIRST HOLE AND 0.146 INCHES MAXIMUM FIRST HOLE
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
ZZZK SPECIFICATION/STANDARD DATA 85495-B-17020 MANUFACTURERS STANDARD
AASU HEAD HEIGHT 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL

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