The Valve Assembly, cataloged under National Stock Number 4810-01-696-9501, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-696-9501 |
| Primary Part Number | VK0511-25-S507-100-K35 |
| Item Name | Valve Assembly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque |
| Status | ACTIVE |
| 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 |
|---|---|
| VK0511-25-S507-100-K35 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA) |
| Reference | Meaning |
|---|---|
| VK0511 REV H | D/9 Drawing number reference only Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque |
NSN 4810-01-696-9501 is a Valve Assembly, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-696-9501 has 1 manufacturer part number on file: VK0511-25-S507-100-K35 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-696-9510. Verify interchangeability with system specifications before substitution.
Key specifications for VK0511-25-S507-100-K35: Part Name Assigned by Controlling Agency: VALVE/ACTUATOR ASSY; End Item Identification: MODEL MS05Q ACTUATOR & KEYSTONE 641-1 VENTILATION VALVE. 0 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.