The Stem,fluid Valve, cataloged under National Stock Number 4820-00-952-4697, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tyco Fire Products Lp. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-952-4697 |
| Primary Part Number | 20-03406 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Largest Outside Diameter | 0.995 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| V3406 | Portland Valve Llc (USA) |
| 20-03406 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| V3289 PIECE 5 | C/1 Advisory reference — outside the item-of-supply concept Rockwood Systems Corp |
| V3406 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 4820-00-952-4697 is a Stem,fluid Valve, manufactured by Tyco Fire Products Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-952-4697 has 2 manufacturer part numbers on file: V3406 (Portland Valve Llc), 20-03406 (Tyco Fire Products Lp).
Key specifications for 20-03406: Largest Outside Diameter: 0.995 INCHES NOMINAL IN; Overall Length: 4.630 INCHES NOMINAL IN; Material: NICKEL ALLOY. 2 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.