The Stem,fluid Valve, cataloged under National Stock Number 4810-01-520-8521, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-520-8521 |
| Primary Part Number | N816530059 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 DISK |
| Valve Type for Which Designed | GLOBE |
| Valve Model Number for Which Designed | DONSXA |
| Features Provided | INTEGRAL DISK |
| Valve Size for Which Designed | 1.500 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 |
|---|---|
| 35705N P/N 3F: N816530059 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N816530059 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 35705N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4810-01-520-8521 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-520-8521 has 2 manufacturer part numbers on file: 35705N P/N 3F: N816530059 (Leslie Controls, Inc. Dba Leslie Controls Inc), N816530059 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for N816530059: Furnished Items and Quantity: 1 DISK; Valve Type for Which Designed: GLOBE; Valve Model Number for Which Designed: DONSXA; Features Provided: INTEGRAL DISK. 6 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.