The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, end_similarity: NOT IDENTICAL, overall_length: 7.398 INCHES NOMINAL IN, surface_finish: 16.0 MICROINCHES, first_end_style: SPLINED (INVOLUTE), second_end_style: EXTERNALLY THREADED AND FLAT KEYWAY. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-169-7321, 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 4140 |
| step_quantity | 4 |
| end_similarity | NOT IDENTICAL |
| overall_length | 7.398 INCHES NOMINAL IN |
| surface_finish | 16.0 MICROINCHES |
| first_end_style | SPLINED (INVOLUTE) |
| second_end_style | EXTERNALLY THREADED AND FLAT KEYWAY |
| special_features | FIRST END HAS TWO INTERNAL THD HOLES,0.750 IN. THD LG,LOCATED ON A 1.000 IN. BOLT CIR DIA;SECOND END THDS ARE INDENTED;SECOND END PARTIAL BORE,0.406 IN. DP,0.911 IN. DIA IN |
| first_end_diameter | 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN |
| second_end_diameter | 1.7590 INCHES MINIMUM AND 1.7670 INCHES MAXIMUM IN |
| largest_step_diameter | 2.623 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN |
| external_keyway_length | 0.906 INCHES NOMINAL SECOND END IN |
| NSN | 3040-01-169-7321 |
| SECOND END KEYWAY WIDTH | 0.3125 INCHES NOMINAL IN |
| FIRST END SPLINE MINOR DIAMETER | 1.9670 INCHES MINIMUM AND 1.9680 INCHES MAXIMUM IN |
| LARGEST STEP DIAMETER | 2.623 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN |
| MATERIAL | STEEL COMP 4140 |
| EXTERNAL KEYWAY LENGTH | 0.906 INCHES NOMINAL SECOND END IN |
| FIRST END DIAMETER | 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN |
| SURFACE FINISH | 16.0 MICROINCHES |
| SPECIAL FEATURES | FIRST END HAS TWO INTERNAL THD HOLES,0.750 IN. THD LG,LOCATED ON A 1.000 IN. BOLT CIR DIA;SECOND END THDS ARE INDENTED;SECOND END PARTIAL BORE,0.406 IN. DP,0.911 IN. DIA IN |
| END ITEM IDENTIFICATION | 3810-01-144-4885 |
| FIRST END SPLINE LENGTH | 1.875 INCHES NOMINAL IN |