The Valve,butterfly, cataloged under National Stock Number 4820-01-326-3569, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-326-3569 |
| Primary Part Number | VR18030077 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTM A351,CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A351,CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 18.000 INCHES IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | STEEL COMP 316 BODY |
| Material | NICKEL ALLOY STEM |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Material | SILICON SEAT |
| 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 |
|---|---|
| VR18030077 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| 804-1749102 R18 WORM GEAR | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-326-3569 is a Valve,butterfly, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-326-3569 has 1 manufacturer part number on file: VR18030077 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for VR18030077: Furnished Items and Quantity: 1 HANDWHEEL; Style Designator: STRAIGHT THRU FLANGED ENDS; Material Document and Classification: ASTM A351,CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: ASTM A351,CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE. 13 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.