Part Number
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 |
---|---|
43999 | BOEING COMPANY THE DBA BOEING DIV DE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.375 INCHES NOMINAL FIRST HOLE |
ANEE | GRIP LENGTH | 1.580 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNJF |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LA0109-019 FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
AAUR | GRIP DIAMETER | 0.7445 INCHES MINIMUM AND 0.74895 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
SFTT | SURFACE TREATMENT | CHROMATE OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
AASA | THREAD LENGTH | 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 2.659 INCHES MINIMUM AND 2.689 INCHES MAXIMUM |
AASL | HEAD DIAMETER | 1.380 INCHES NOMINAL |
MATT | MATERIAL | STEEL OVERALL |
CMLP | THREAD QUANTITY PER INCH | 16 |
AATB | WIDTH BETWEEN FLATS | 1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | H+9-4-30 FSCM 43999 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
CSYM | SURFACE FINISH | 16.0 MICROINCHES GRIP |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.144 INCHES NOMINAL FIRST HOLE |
AASU | HEAD HEIGHT | 0.400 INCHES NOMINAL |