The Stem,fluid Valve, cataloged under National Stock Number 4820-00-972-9780, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-972-9780 |
| Primary Part Number | 618981 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Valve Type for Which Designed | GLOBE |
| Stem Actuating End Type | KNOB |
| Material | COPPER 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 |
|---|---|
| 618981 PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 8098-8-7-1X7922-5Y | 3/9 Design control — primary reference The Walworth Company |
| 10-03-0276 | 3/2 Design control — primary reference U.S. Government activity |
| 8098-8-7-1 AND | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
NSN 4820-00-972-9780 is a Stem,fluid Valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-972-9780 has 1 manufacturer part number on file: 618981 (The Walworth Company).
Key specifications for 618981: Valve Type for Which Designed: GLOBE; Stem Actuating End Type: KNOB; Material: COPPER ALLOY. 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.