The Valve,regulator, cataloged under National Stock Number 4820-00-992-0887, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-00-992-0887 |
| Primary Part Number | EPRV-13 AND RX174 |
| Item Name | Valve,regulator |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| General Characteristics Item Description | WITH FLANGE; LINE SIZE CONNECTION 1.125 IN. OD IN |
| 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 |
|---|---|
| EPRV-13 AND RX174 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| EPR13S91 1-8 | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| EPR13 | C/1 Advisory reference — outside the item-of-supply concept Emerson Electric Co Alco Controls Div |
NSN 4820-00-992-0887 is a Valve,regulator, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-992-0887 has 2 manufacturer part numbers on file: EPRV-13 AND RX174 (Emerson Electric Co Alco Controls Div), EPR13S91 1-8 (Emerson Electric Co Alco Controls Div).
Key specifications for EPRV-13 AND RX174: General Characteristics Item Description: WITH FLANGE; LINE SIZE CONNECTION 1.125 IN. OD IN. 1 specification is documented in the U.S. Government catalog.
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.