55A40B9-1: STUD,SHOULDERED.
The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340, thread_class: 2A NUT THREAD A, thread_length: 0.440 INCHES NOMINAL STUD THREAD IN, overall_length: 3.120 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, shoulder_length: 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5307-01-240-0893, 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 E4340 |
| thread_class | 2A NUT THREAD A |
| thread_length | 0.440 INCHES NOMINAL STUD THREAD IN |
| overall_length | 3.120 INCHES NOMINAL IN |
| hardness_rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| shoulder_length | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| style_designator | SHOULDERED |
| thread_direction | RIGHT-HAND STUD THREAD |
| shoulder_diameter | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| nominal_thread_size | 0.437 INCHES STUD THREAD IN |
| distance_across_flats | 0.434 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| NSN | 5307-01-240-0893 |
| THREAD LENGTH | 0.440 INCHES NOMINAL STUD THREAD IN |
| THREAD LENGTH | 0.440 INCHES NOMINAL NUT THREAD IN |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 3.120 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| NOMINAL THREAD SIZE | 0.437 INCHES STUD THREAD IN |
| NOMINAL THREAD SIZE | 0.437 INCHES NUT THREAD IN |
No substitute or cross-reference records for this part.