The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-287-9004, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Woodward, Inc. (CAGE 31361) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-287-9004 |
| Primary Part Number | 361580 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Woodward, Inc. |
| 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 |
|---|---|
| 9987-950 ITEM 128 | Woodward, Inc. (USA) |
| 361580 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9987-950 ITEM 128 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
| 9987-950 | D/9 Drawing number reference only Woodward, Inc. |
| 9987-950 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
| 361580 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
NSN 4820-01-287-9004 is a Diaphragm,valve,flat, manufactured by Woodward, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-287-9004 has 2 manufacturer part numbers on file: 9987-950 ITEM 128 (Woodward, Inc.), 361580 (Woodward, Inc.).
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.