The Seat,valve, cataloged under National Stock Number 4820-00-017-2606, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-017-2606 |
| Primary Part Number | 433472Y12 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| FSC Application Data | ACFT ENG R1820 |
| Body Outside Diameter | 3.714 INCHES MINIMUM AND 3.715 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 433472Y12 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| ASW433472Y12 | 5/9 Secondary reference Aircraft Supplies |
NSN 4820-00-017-2606 is a Seat,valve, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-017-2606 has 1 manufacturer part number on file: 433472Y12 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 433472Y12: Overall Height: 0.578 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN; FSC Application Data: ACFT ENG R1820; Body Outside Diameter: 3.714 INCHES MINIMUM AND 3.715 INCHES MAXIMUM IN; Style Designator: PLAIN. 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.