A3055: A3055.
The A3055 is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1144, thread_class: 2A NUT THREAD A, thread_length: 1.188 INCHES MAXIMUM STUD THREAD IN, overall_length: 2.688 INCHES NOMINAL IN, hardness_rating: 22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.
Government catalog under NSN 5307-00-431-2495, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 1144 |
| thread_class | 2A NUT THREAD A |
| thread_length | 1.188 INCHES MAXIMUM STUD THREAD IN |
| overall_length | 2.688 INCHES NOMINAL IN |
| hardness_rating | 22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND NUT THREAD |
| nominal_thread_size | 0.625 INCHES NUT THREAD IN |
| thread_pitch_diameters | +0.5708 TO 0.5728 INCHES STUD THREAD IN |
| cotter_pin_hole_diameter | 0.156 INCHES NOMINAL FIRST HOLE IN |
| thread_quantity_per_inch | 11 STUD THREAD |
| thread_series_designator | UNS STUD THREAD |
| material_document_and_classification | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| NSN | 5307-00-431-2495 |
| COTTER PIN HOLE DIAMETER | 0.156 INCHES NOMINAL FIRST HOLE IN |
| THREAD LENGTH | 0.875 INCHES MAXIMUM NUT THREAD IN |
| THREAD LENGTH | 1.188 INCHES MAXIMUM STUD THREAD IN |
| HARDNESS RATING | 22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM |
| THREAD PITCH DIAMETERS | +0.5708 TO 0.5728 INCHES STUD THREAD IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 2.688 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| NOMINAL THREAD SIZE | 0.625 INCHES NUT THREAD IN |