The Brake Drum, cataloged under National Stock Number 2530-01-222-7704, 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 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-222-7704 |
| Primary Part Number | A3219P4800 |
| 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 | 20 |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Inspection Hole | NOT INCLUDED |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| 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 |
|---|---|
| A3219P4800 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| A3219P4800 | 5/9 Secondary reference Meritor Industrial Products, Llc |
| 298091C11 | 3/2 Design control — primary reference U.S. Government activity |
| A13219W2623 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2530-01-222-7704 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 2530-01-222-7704 has 1 manufacturer part number on file: A3219P4800 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for A3219P4800: Mounting Hole Quantity: 20; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Inspection Hole: NOT INCLUDED. 7 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.