The Stem,fluid Valve, cataloged under National Stock Number 4820-01-239-9047, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-239-9047 |
| Primary Part Number | 20046 SW15111 .50IN |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Largest Outside Diameter | 0.500 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Size for Which Designed | 0.500 INCHES IN |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| F-46777 PIECE 13 .05IN | Flowserve Inc (USA) |
| 20046 SW15111 .50IN PRIMARY | Flowserve Inc (USA) |
| Reference | Meaning |
|---|---|
| F-46777 | D/9 Drawing number reference only Flowserve Inc |
NSN 4820-01-239-9047 is a Stem,fluid Valve, manufactured by Flowserve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-239-9047 has 2 manufacturer part numbers on file: F-46777 PIECE 13 .05IN (Flowserve Inc), 20046 SW15111 .50IN (Flowserve Inc).
Key specifications for 20046 SW15111 .50IN: Valve Type for Which Designed: GATE; Largest Outside Diameter: 0.500 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 0.500 INCHES IN. 5 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.