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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
57928 SONIC INDUSTRIES INC.

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AATD EXTENDED WASHER THICKNESS 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
AATD EXTENDED WASHER THICKNESS 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
AATC EXTENDED WASHER DIAMETER 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
ANEE GRIP LENGTH 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
CQBC MINIMUM TENSILE STRENGTH 220000 POUNDS PER SQUARE INCH
AASA THREAD LENGTH 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM
AASU HEAD HEIGHT 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
AASB FASTENER LENGTH 1.015 INCHES MINIMUM AND 1.045 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
AAUR GRIP DIAMETER 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL
AASK HEAD STYLE DOUBLE HEXAGON W/HOLE

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