The Valve,safety Relief, cataloged under National Stock Number 4820-01-330-0547, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Corp Fluid Power Opns Marshall Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Daimler Truck North America Llc (CAGE 64678); Eaton Corp Fluid Power Opns Marshall Div (CAGE 19954); Dana Automotive Ltd (CAGE K5667); Power Steering Specialists, Inc (CAGE 1DB47) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-330-0547 |
| Primary Part Number | ER-27856-210 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Corp Fluid Power Opns Marshall Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ER-27856-210 | Daimler Truck North America Llc (USA) |
| ER-27856-210 PRIMARY | Eaton Corp Fluid Power Opns Marshall Div (USA) |
| ER-27856-210 | Dana Automotive Ltd (GBR) |
| ER-27856-210 | Power Steering Specialists, Inc (USA) |
| Reference | Meaning |
|---|---|
| ER-27856 | D/9 Drawing number reference only Eaton Corp Fluid Power Opns Marshall Div |
NSN 4820-01-330-0547 is a Valve,safety Relief, manufactured by Eaton Corp Fluid Power Opns Marshall Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-330-0547 has 4 manufacturer part numbers on file: ER-27856-210 (Daimler Truck North America Llc), ER-27856-210 (Eaton Corp Fluid Power Opns Marshall Div), ER-27856-210 (Dana Automotive Ltd), ER-27856-210 (Power Steering Specialists, Inc).
No hazard code in the DLA record (HMIC N). 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.