328AS129-1: BRAKE DRUM.
The BRAKE DRUM is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, cooling_fin: NOT INCLUDED, balancing_pad: NOT INCLUDED, overall_width: 4.438 INCHES NOMINAL IN, oil_drain_hole: NOT INCLUDED, adjustment_hole: NOT INCLUDED. This part is cataloged in the U.S.
Government catalog under NSN 2530-01-003-5211, 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 1035 OVERALL |
| cooling_fin | NOT INCLUDED |
| balancing_pad | NOT INCLUDED |
| overall_width | 4.438 INCHES NOMINAL IN |
| oil_drain_hole | NOT INCLUDED |
| adjustment_hole | NOT INCLUDED |
| inspection_hole | NOT INCLUDED |
| center_hole_diameter | 4.002 INCHES NOMINAL IN |
| braking_surface_width | 2.500 INCHES NOMINAL IN |
| mounting_hole_spacing | EQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN |
| mounting_hole_diameter | 0.567 INCHES NOMINAL IN |
| mounting_hole_quantity | 5 |
| NSN | 2530-01-003-5211 |
| MOUNTING HOLE QUANTITY | 5 |
| ADJUSTMENT HOLE | NOT INCLUDED |
| BALANCING PAD | NOT INCLUDED |
| MOUNTING HOLE SPACING | EQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN |
| BRAKING SURFACE WIDTH | 2.500 INCHES NOMINAL IN |
| INSPECTION HOLE | NOT INCLUDED |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-700,COMP 1025 FED SPEC SINGLE MATERIAL RESPONSE OVERALL /D/ DO NOT USE |
| MOUNTING HOLE DIAMETER | 0.567 INCHES NOMINAL IN |
| OVERALL WIDTH | 4.438 INCHES NOMINAL IN |
| OVERALL OUTSIDE DIAMETER | 9.375 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.