The Valve,flow Control, cataloged under National Stock Number 4820-01-644-6672, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-644-6672 |
| Primary Part Number | FSES-XAN |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Operating Pressure and Type | 5000.0 POUNDS PER SQUARE INCH (PSI) LIQUID MAXIMUM REQUIRED LBS |
| Body Material | STEEL |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| F181003 REV - ITEM NO.2 | Lake Shore Systems, Inc. (USA) |
| FSES-XAN PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 4820-01-644-6672 is a Valve,flow Control, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-6672 has 2 manufacturer part numbers on file: F181003 REV - ITEM NO.2 (Lake Shore Systems, Inc.), FSES-XAN (Lake Shore Systems, Inc.).
Key specifications for FSES-XAN: Operating Pressure and Type: 5000.0 POUNDS PER SQUARE INCH (PSI) LIQUID MAXIMUM REQUIRED LBS; Body Material: STEEL; Special Features: 6-30GPM CAPACITY. SEAL KIT MULTIPLE MATERIAL OPTIONS; Part Name Assigned by Controlling Agency: SYNCHRONIZING FLOW DIVIDER-COMBINER VALVE. 3 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.