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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
97499 BELL HELICOPTER TEXTRON INC.

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
AASB FASTENER LENGTH 1.794 INCHES MINIMUM AND 1.824 INCHES MAXIMUM
AASU HEAD HEIGHT 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
CSYM SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
AATD EXTENDED WASHER THICKNESS 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
AASA THREAD LENGTH 0.659 INCHES MINIMUM
AAJD THREAD CLASS 3A
AATC EXTENDED WASHER DIAMETER 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM
AASK HEAD STYLE SPLINE EXTENDED WASHER
AAJF THREAD DIRECTION RIGHT-HAND
CQBC MINIMUM TENSILE STRENGTH 220000 POUNDS PER SQUARE INCH
AAUR GRIP DIAMETER 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
AGAV END ITEM IDENTIFICATION F/A-18E AIRCRAFT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CRTL CRITICALITY CODE JUSTIFICATION AGAV
ANEE GRIP LENGTH 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
AAZH HEAD MINOR DIAMETER 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.3750 INCHES
MATT MATERIAL NICKEL ALLOY 718 OVERALL
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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