139C6319: SPROCKET WHEEL.
The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12, bore_type: INVOLUTE SPLINE, face_width: 0.150 INCHES NOMINAL IN, design_form: PLAIN, overall_length: 0.750 INCHES NOMINAL IN, spline_quantity: 15. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-321-3856, 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 XM-12 |
| bore_type | INVOLUTE SPLINE |
| face_width | 0.150 INCHES NOMINAL IN |
| design_form | PLAIN |
| overall_length | 0.750 INCHES NOMINAL IN |
| spline_quantity | 15 |
| special_features | WEAPON SYSTEM ESSENTIAL |
| style_designator | PLAIN |
| surface_treatment | PASSIVATE |
| teeth_row_quantity | 1 |
| hub_outside_diameter | 0.760 INCHES NOMINAL AA END IN |
| spline_major_diameter | 0.525 INCHES NOMINAL IN |
| NSN | 3020-00-321-3856 |
| SPLINE MINOR DIAMETER | 0.438 INCHES NOMINAL IN |
| HUB OUTSIDE DIAMETER | 0.760 INCHES NOMINAL AA END IN |
| DESIGN FORM | PLAIN |
| TEETH HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| TOOTH PITCH | 1.086 INCHES NOMINAL IN |
| OUTSIDE DIAMETER | 3.250 INCHES NOMINAL IN |
| SPLINE LENGTH | 0.750 INCHES NOMINAL IN |
| STYLE DESIGNATOR | PLAIN |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM BODY AND 35.0 ROCKWELL C MAXIMUM BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729, COMP 4130, COND N MIL SPEC SINGLE MATERIAL RESPONSE |
No substitute or cross-reference records for this part.