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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
0JV78 J M PRECISION INC

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
THSD THREAD SERIES DESIGNATOR UNJF
THSD THREAD SERIES DESIGNATOR UNJF
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
CQBC MINIMUM TENSILE STRENGTH 220000 POUNDS PER SQUARE INCH
AATB WIDTH BETWEEN FLATS 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
AASB FASTENER LENGTH 1.878 INCHES MINIMUM AND 1.908 INCHES MAXIMUM
AASU HEAD HEIGHT 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
ANEE GRIP LENGTH 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
AAUR GRIP DIAMETER 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
AATC EXTENDED WASHER DIAMETER 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AASA THREAD LENGTH 0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 20
AATD EXTENDED WASHER THICKNESS 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL
AASK HEAD STYLE DOUBLE HEXAGON W/HOLE

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