7954478-2: WORM SHAFT.
The WORM SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8642 OR STEEL COMP 8740, end_similarity: NOT IDENTICAL, overall_length: 17.594 INCHES NOMINAL IN, shaft_location: BOTH ENDS OF WORM, special_features: INTERNALLY THD ON 5TH PORTION 1ST END 0.875 IN. DEEP;0.500-20 THD;UNF,CLASS 2B IN, worm_helix_angle: 4 DEG 57 MIN.
This part is cataloged in the U.S. Government catalog under NSN 3040-01-091-1982, 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 OR STEEL COMP 8642 OR STEEL COMP 8740 |
| end_similarity | NOT IDENTICAL |
| overall_length | 17.594 INCHES NOMINAL IN |
| shaft_location | BOTH ENDS OF WORM |
| special_features | INTERNALLY THD ON 5TH PORTION 1ST END 0.875 IN. DEEP;0.500-20 THD;UNF,CLASS 2B IN |
| worm_helix_angle | 4 DEG 57 MIN |
| worm_thread_lead | 0.875 INCHES NOMINAL IN |
| worm_pitch_diameter | 3.216 INCHES NOMINAL IN |
| worm_thread_quantity | 1 |
| shaft_hardness_rating | 17.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| teeth_hardness_rating | 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM |
| worm_outside_diameter | 3.774 INCHES MINIMUM AND 3.776 INCHES MAXIMUM IN |
| NSN | 3040-01-091-1982 |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| TEETH HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM |
| WORM THREAD LEAD | 0.875 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048, 8642, 4140 OR 8740 MIL SPEC ALL MATERIAL RESPONSES |
| OVERALL LENGTH | 17.594 INCHES NOMINAL IN |
| WORM PITCH DIAMETER | 3.216 INCHES NOMINAL IN |
| WORM OUTSIDE DIAMETER | 3.774 INCHES MINIMUM AND 3.776 INCHES MAXIMUM IN |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.500 INCHES NOMINAL SECOND END FIFTH PORTION IN |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.767 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| UNTHREADED SECTION KEYWAY DEPTH | 0.218 INCHES NOMINAL FIRST END FIFTH PORTION IN |
No substitute or cross-reference records for this part.