The Valve,flow Control, cataloged under National Stock Number 4820-01-571-9485, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lidan Marine Ab. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-571-9485 |
| Primary Part Number | 16737 ITEM 4.1 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lidan Marine Ab |
| Status | ACTIVE |
| Operating Pressure and Type | 261.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS |
| Body Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 16737 ITEM 4.1 | Lidan Marine Ab (SWE) |
| Reference | Meaning |
|---|---|
| 16737 ITEM 4.1 | 5/9 Secondary reference Lidan Marine Ab |
| 541268 | 3/9 Design control — primary reference Festo Corporation |
| MS6-EM1-1/2-S | 5/9 Secondary reference Festo Corporation |
NSN 4820-01-571-9485 is a Valve,flow Control, manufactured by Lidan Marine Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-571-9485 has 1 manufacturer part number on file: 16737 ITEM 4.1 (Lidan Marine Ab).
Key specifications for 16737 ITEM 4.1: Operating Pressure and Type: 261.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS; Body Material: ALUMINUM ALLOY; Part Name Assigned by Controlling Agency: START VALVE; End Item Identification: LCS1 NEW CONSTRUCTION. 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.