The Valve,butterfly, cataloged under National Stock Number 4810-01-198-1108, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-198-1108 |
| Primary Part Number | 3203531-1 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Bolt Circle Nominal Diameter | 3.500 INCHES FIRST END IN |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.531 INCHES FIRST END IN |
| Operating Pressure | 95.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS |
| Nominal Outside Diameter | 4.250 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Valve Operation Method | AIR |
| Nominal Thickness | 1.375 INCHES FIRST END 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 |
|---|---|
| 3203531-1 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| Reference | Meaning |
|---|---|
| 3203531 | D/9 Drawing number reference only Cosmodyne, Llc Dba Cosmodyne Llc |
NSN 4810-01-198-1108 is a Valve,butterfly, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-198-1108 has 1 manufacturer part number on file: 3203531-1 (Cosmodyne, Llc Dba Cosmodyne Llc).
Key specifications for 3203531-1: Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Bolt Circle Nominal Diameter: 3.500 INCHES FIRST END IN; Connection Type: FLANGE FIRST END. 10 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.