The Stem,fluid Valve, cataloged under National Stock Number 4820-01-446-5867, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-446-5867 |
| Primary Part Number | 57847 |
| 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 | GLOBE |
| Largest Outside Diameter | 0.500 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Model Number for Which Designed | 21851N |
| Material Document and Classification | ASTM B-164 CLA ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | GROOVED AND LOWER STEM |
| Valve Size for Which Designed | 4.000 INCHES IN |
| Material | NICKEL 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 |
|---|---|
| N57847 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 57847 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 21851N PC 6 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 21851N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-446-5867 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-446-5867 has 3 manufacturer part numbers on file: N57847 (Leslie Controls, Inc. Dba Leslie Controls Inc), 57847 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21851N PC 6 (Leslie Controls, Inc. Dba Leslie Controls Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-447-1161, 9999-01-690-6538. Verify interchangeability with system specifications before substitution.
Key specifications for 57847: Valve Type for Which Designed: GLOBE; Largest Outside Diameter: 0.500 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Valve Model Number for Which Designed: 21851N. 8 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.