The Disk,valve, cataloged under National Stock Number 2915-01-203-4644, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 8 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 | 2915-01-203-4644 |
| Primary Part Number | 3534-040 |
| Item Name | Disk,valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Shank Diameter | 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Flange Seat to Disk End Height | 1.626 INCHES NOMINAL IN |
| Outside Diameter | 0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Style Designator | POPPET |
| Material Document and Classification | AMS 5613 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Under Flange Height | 0.094 INCHES NOMINAL IN |
| Media for Which Designed | FUEL, JET |
| Material | STEEL COMP 410 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3534-040 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 2915-01-203-4644 is a Disk,valve, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-203-4644 has 1 manufacturer part number on file: 3534-040 (Woodward, Inc. Div Fuel Systems and Controls).
Key specifications for 3534-040: Shank Diameter: 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN; Flange Seat to Disk End Height: 1.626 INCHES NOMINAL IN; Overall Height: 1.720 INCHES NOMINAL IN; Outside Diameter: 0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN. 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.
NSN 2915-01-203-4644 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.