The Seat,valve, cataloged under National Stock Number 4820-01-202-9574, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-202-9574 |
| Primary Part Number | 3414-052 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Flange Diameter | 0.8005 INCHES MINIMUM AND 0.8035 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.695 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | AMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Under Flange Height | 0.031 INCHES NOMINAL IN |
| Material | STEEL COMP 410 OVERALL |
| 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 |
|---|---|
| 3414-052 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 4820-01-202-9574 is a Seat,valve, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-202-9574 has 1 manufacturer part number on file: 3414-052 (Woodward, Inc. Div Fuel Systems and Controls).
Key specifications for 3414-052: Flange Seat to Disk End Height: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Flange Diameter: 0.8005 INCHES MINIMUM AND 0.8035 INCHES MAXIMUM IN; Body Outside Diameter: 0.695 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 9 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.