ST-1283: STUD,STEPPED.
The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.531 INCHES NOMINAL NUT THREAD IN, overall_length: 2.875 INCHES NOMINAL IN, shank_diameter: 0.250 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.
Government catalog under NSN 5307-00-271-2331, 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 |
| thread_class | 3A NUT THREAD A |
| thread_length | 0.531 INCHES NOMINAL NUT THREAD IN |
| overall_length | 2.875 INCHES NOMINAL IN |
| shank_diameter | 0.250 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| style_designator | STEPPED |
| thread_direction | RIGHT-HAND NUT THREAD |
| surface_treatment | CADMIUM SHANK |
| nominal_thread_size | 0.375 INCHES STUD THREAD IN |
| thread_pitch_diameters | +0.3354 TO 0.3370 INCHES STUD THREAD IN |
| cotter_pin_hole_diameter | 0.070 INCHES NOMINAL FIRST HOLE IN |
| NSN | 5307-00-271-2331 |
| COTTER PIN HOLE DIAMETER | 0.074 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| THREAD LENGTH | 0.625 INCHES MINIMUM STUD THREAD IN |
| THREAD LENGTH | 0.532 INCHES MINIMUM NUT THREAD IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | RECESSED AND STEPPED |
| THREAD PITCH DIAMETERS | +0.3414 TO 0.3430 INCHES STUD THREAD IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 2.875 INCHES NOMINAL IN |
| DIAMETER OF RECESSED PORTION OF SHANK | 0.250 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |