The Stem,fluid Valve, cataloged under National Stock Number 4820-01-048-9530, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-048-9530 |
| Primary Part Number | 43712-00-58 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Largest Outside Diameter | 0.500 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Features Provided | INTEGRAL DISK |
| Valve Size for Which Designed | 4.000 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 |
|---|---|
| 43712-00-58 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 20206N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-048-9530 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-048-9530 has 1 manufacturer part number on file: 43712-00-58 (Leslie Controls, Inc. Dba Leslie Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-520-3920. Verify interchangeability with system specifications before substitution.
Key specifications for 43712-00-58: Largest Outside Diameter: 0.500 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 12.031 INCHES NOMINAL IN; Features Provided: INTEGRAL DISK. 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.