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 |
|---|---|
| 06710 | VALLEY-TODECO INC. |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATD | EXTENDED WASHER THICKNESS | 0.098 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASB | FASTENER LENGTH | 3.298 INCHES MINIMUM AND 3.328 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AASK | HEAD STYLE | SPLINE EXTENDED WASHER |
| ANEE | GRIP LENGTH | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.163 INCHES MINIMUM AND 1.213 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| AATC | EXTENDED WASHER DIAMETER | 1.384 INCHES MINIMUM AND 1.394 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| AASU | HEAD HEIGHT | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP H11 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |