The Stem,fluid Valve, cataloged under National Stock Number 4820-01-393-4591, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-393-4591 |
| Primary Part Number | 31430N ITEM 7 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | BUTTERFLY |
| Features Provided | INTEGRAL DISK |
| Valve Size for Which Designed | 2.500 INCHES 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 |
|---|---|
| 402859 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 31430N ITEM 7 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 402859 | 5/9 Secondary reference Circor Intl Inc |
NSN 4820-01-393-4591 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-393-4591 has 2 manufacturer part numbers on file: 402859 (Leslie Controls, Inc. Dba Leslie Controls Inc), 31430N ITEM 7 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 31430N ITEM 7: Valve Type for Which Designed: BUTTERFLY; Features Provided: INTEGRAL DISK; Valve Size for Which Designed: 2.500 INCHES IN; Material: STEEL CORROSION RESISTING. 4 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.