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 |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASB |
FASTENER LENGTH |
1.929 INCHES MINIMUM AND 1.959 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.111 INCHES NOMINAL FIRST HOLE |
| AASU |
HEAD HEIGHT |
0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.669 INCHES MINIMUM AND 0.719 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AATB |
WIDTH BETWEEN FLATS |
0.678 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.893 INCHES MINIMUM FIRST HOLE AND 2.243 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ANEE |
GRIP LENGTH |
1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT, HEX HEAD |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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