The Chamber,air Brake, cataloged under National Stock Number 2530-01-545-9689, 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 Daimler Truck North America Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-545-9689 |
| Primary Part Number | HDX 1373030214 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| Function for Which Designed | PARKING BRAKING AND SERVICE BRAKING |
| 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 |
|---|---|
| HDX 1373030214 PRIMARY | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| HDX GC3030L | 5/9 Secondary reference Daimler Truck North America Llc |
NSN 2530-01-545-9689 is a Chamber,air Brake, manufactured by Daimler Truck North America Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-545-9689 has 1 manufacturer part number on file: HDX 1373030214 (Daimler Truck North America Llc).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-545-9690. Verify interchangeability with system specifications before substitution.
Key specifications for HDX 1373030214: Function for Which Designed: PARKING BRAKING AND SERVICE BRAKING; Special Features: CHAMBER 3030, LS, 225 WELD 045 135; Part Name Assigned by Controlling Agency: AIR BRAKE CHAMBER; End Item Identification: SERVICE/PARKING,RR DR BRAKE GROUP. 1 specification is 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.