The Chamber,air Brake, cataloged under National Stock Number 2530-01-434-8939, 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 E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-434-8939 |
| Primary Part Number | 6798731-3 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc |
| Status | ACTIVE |
| Function for Which Designed | 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 |
|---|---|
| 6798731-3 PRIMARY | E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 6798731-3 | 5/9 Secondary reference Ab Volvo |
| 6798731-3 | 5/9 Secondary reference Volvo Ab |
NSN 2530-01-434-8939 is a Chamber,air Brake, manufactured by E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-434-8939 has 1 manufacturer part number on file: 6798731-3 (E-W Truck & Equipment Co., Inc. Dba E-W Truck & Equipment Co Inc).
Key specifications for 6798731-3: Function for Which Designed: SERVICE BRAKING; End Item Identification: WEAPON SYSTEM E/I STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.