B831-9511-61: WORM SHAFT.
The WORM SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, section_shape: SQUARE FIRST END FIRST PORTION, overall_length: 12.120 INCHES NOMINAL IN, shaft_location: ONE END OF WORM, worm_body_length: 12.120 INCHES NOMINAL IN, worm_helix_angle: 3.312 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3040-01-504-8342, 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 CORROSION RESISTING |
| section_shape | SQUARE FIRST END FIRST PORTION |
| overall_length | 12.120 INCHES NOMINAL IN |
| shaft_location | ONE END OF WORM |
| special_features | MATERIAL SPECIFICATION ASTM-A564,TYPE-630,CONDITION-H1150,HOT FINISHED AND ASTM-A484. SURFACE FINISH 63.0 ON ACME THREADS. WORM IS 0.750-8 ACME-2G G |
| worm_body_length | 12.120 INCHES NOMINAL IN |
| worm_helix_angle | 3.312 DEGREES |
| worm_thread_lead | 0.125 INCHES NOMINAL IN |
| worm_pitch_diameter | 0.665 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN |
| worm_thread_quantity | 58 |
| shaft_hardness_rating | 38.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| teeth_hardness_rating | 38.0 ROCKWELL C MAXIMUM |
| NSN | 3040-01-504-8342 |
| SHAFT LOCATION | ONE END OF WORM |
| SECTION SHAPE | SQUARE FIRST END FIRST PORTION |
| TAPERED BEARING SURFACE LARGEST DIAMETER | 0.750 INCHES NOMINAL IN |
| TEETH HARDNESS RATING | 38.0 ROCKWELL C MAXIMUM |
| WORM BODY LENGTH | 12.120 INCHES NOMINAL IN |
| WORM THREAD LEAD | 0.125 INCHES NOMINAL IN |
| TAPERED BEARING SURFACE SMALLEST DIAMETER | 0.650 INCHES NOMINAL IN |
| OVERALL LENGTH | 12.120 INCHES NOMINAL IN |
| WORM PITCH DIAMETER | 0.665 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN |
| WORM OUTSIDE DIAMETER | 0.750 INCHES NOMINAL IN |