The Stem,fluid Valve, cataloged under National Stock Number 4820-00-978-2340, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Elliott Company Div Jeannette. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-978-2340 |
| Primary Part Number | 8W0019-34 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| Largest Outside Diameter | 0.367 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 8W0019-34 PRIMARY | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| 8W0019PC1AH31 | 5/9 Secondary reference Elliott Company Div Jeannette |
| 8W0068 | D/9 Drawing number reference only Elliott Company Div Jeannette |
| 8W0019 | 5/9 Secondary reference Elliott Company Div Jeannette |
NSN 4820-00-978-2340 is a Stem,fluid Valve, manufactured by Elliott Company Div Jeannette, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-978-2340 has 1 manufacturer part number on file: 8W0019-34 (Elliott Company Div Jeannette).
3 possible matches (shared part number, not a government interchangeability claim): 2825-00-978-2341, 3040-00-978-2343, 4720-01-601-9783. Verify interchangeability with system specifications before substitution.
Key specifications for 8W0019-34: Largest Outside Diameter: 0.367 INCHES NOMINAL IN; Overall Length: 9.312 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 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.