The Brake Drum, cataloged under National Stock Number 2530-00-558-5767, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-558-5767 |
| Primary Part Number | 3219R1448 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| FSC Application Data | DRIVING AXLE,PERSONNEL CARRIER HALF TRACK |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Spacing | EQUALLY SPACED ON 8.746 IN,MIN.,8.754 IN. MAX DIA BOLT CIRCLE IN |
| Braking Surface Width | 2.250 INCHES NOMINAL IN |
| Inspection Hole | INCLUDED |
| Mounting Hole Diameter | 0.813 INCHES NOMINAL IN |
| Overall Outside Diameter | 18.000 INCHES NOMINAL IN |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 6.875 INCHES MINIMUM AND 6.878 INCHES MAXIMUM IN |
| Braking Surface Diameter | 16.000 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Cooling Fin | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9W0232 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 9W02321 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 3219R1448 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 5585767 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 382190 | 5/9 Secondary reference White Motor Corp |
NSN 2530-00-558-5767 is a Brake Drum, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-558-5767 has 4 manufacturer part numbers on file: 9W0232 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 9W02321 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 3219R1448 (Meritor Heavy Vehicle Systems, Llc), 5585767 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 3219R1448: Mounting Hole Quantity: 6; FSC Application Data: DRIVING AXLE,PERSONNEL CARRIER HALF TRACK; Balancing Pad: NOT INCLUDED; Mounting Hole Spacing: EQUALLY SPACED ON 8.746 IN,MIN.,8.754 IN. MAX DIA BOLT CIRCLE IN. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.