The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-496-5441, 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 Industrial Products, Llc. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Valve,relay,air Pressure |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | Meritor Industrial Products, Llc (CAGE 3D6E9); Meritor Heavy Vehicle Systems, Llc (CAGE 78500); Daimler Truck North America Llc (CAGE 64678) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-496-5441 |
| Primary Part Number | TDAS4725003220 |
| Item Name | Valve,relay,air Pressure |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Meritor Industrial Products, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| WAB472 500 322 0 | Meritor Industrial Products, Llc (USA) |
| TDAS4725003220 PRIMARY | Meritor Industrial Products, Llc (USA) |
| S4725003220 | Meritor Heavy Vehicle Systems, Llc (USA) |
| TDA/S4725003220 | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| WAB472 500 322 0 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| TDAS4725003220 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| WAB472 500 | D/9 Drawing number reference only Daimler Truck North America Llc |
NSN 2530-01-496-5441 is a Valve,relay,air Pressure, manufactured by Meritor Industrial Products, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-496-5441 has 4 manufacturer part numbers on file: WAB472 500 322 0 (Meritor Industrial Products, Llc), TDAS4725003220 (Meritor Industrial Products, Llc), S4725003220 (Meritor Heavy Vehicle Systems, Llc), TDA/S4725003220 (Daimler Truck North America Llc).
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.