The Valve,butterfly, cataloged under National Stock Number 4820-01-202-9459, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 12 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-202-9459 |
| Primary Part Number | 984-703-180-139-251 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 18.000 INCHES IN |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER, FRESH FIRST RESPONSE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON THIRD RESPONSE |
| Media for Which Designed | WATER, SALT SECOND RESPONSE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | RUBBER SEAT |
| Material | IRON ALLOY BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 984-703-180-139-251 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
NSN 4820-01-202-9459 is a Valve,butterfly, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-202-9459 has 1 manufacturer part number on file: 984-703-180-139-251 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for 984-703-180-139-251: Style Designator: STRAIGHT THRU; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 18.000 INCHES IN; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. 12 specifications are 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.