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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
98897 LOCKHEED MARTIN CORPORATION DBA LOCK

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
AAUR GRIP DIAMETER 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
AASU HEAD HEIGHT 0.348 INCHES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
THSD THREAD SERIES DESIGNATOR UNJF
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
AASA THREAD LENGTH 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AATC EXTENDED WASHER DIAMETER 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
AASB FASTENER LENGTH 1.224 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL OVERALL
AAUB HOLE DIAMETER 0.055 INCHES NOMINAL
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
ASXK HOLE QUANTITY 4
AATD EXTENDED WASHER THICKNESS 0.082 INCHES NOMINAL
CRHC HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
BQDM HOLE TYPE DRILLED
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES
ANEE GRIP LENGTH 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
AASK HEAD STYLE DOUBLE HEXAGON W/HOLE

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