The Valve,butterfly, cataloged under National Stock Number 4820-01-413-3685, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cooper Cameron Corp Cooper Cameron Valves Div. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-413-3685 |
| Primary Part Number | 3856-1324311 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cooper Cameron Corp Cooper Cameron Valves Div |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Valve Size | 3.000 INCHES IN |
| Mounting Facility | WAFER |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | STEEL COMP 316 STEM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Material | COPPER ALLOY 922 BODY |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3856-1324311 PRIMARY | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| Reference | Meaning |
|---|---|
| D-80492 | D/9 Drawing number reference only Cooper Cameron Corp Cooper Cameron Valves Div |
| D-80492 REV B CD-16455-29 REV B | 5/9 Secondary reference Cooper Cameron Corp Cooper Cameron Valves Div |
| 3856-1724311 CD-16455-29 REV B | 5/9 Secondary reference Cooper Cameron Corp Cooper Cameron Valves Div |
NSN 4820-01-413-3685 is a Valve,butterfly, manufactured by Cooper Cameron Corp Cooper Cameron Valves Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-413-3685 has 1 manufacturer part number on file: 3856-1324311 (Cooper Cameron Corp Cooper Cameron Valves Div).
Key specifications for 3856-1324311: Style Designator: STRAIGHT THRU; Valve Size: 3.000 INCHES IN; Mounting Facility: WAFER; Special Features: INCLUDES 10 POSITION LOCKING HANDLE. 9 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.
NSN 4820-01-413-3685 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.