The Plunger,sensing Valve, cataloged under National Stock Number 2990-01-283-3858, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Woodward, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-283-3858 |
| Primary Part Number | 3309-033 |
| Item Name | Plunger,sensing Valve |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CASE HARDENED PER 1117 |
| 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 |
|---|---|
| 9987-904 ITEM 34 | Woodward, Inc. (USA) |
| 3309-033 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3309-033 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
| 9987-904 ITEM 34 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
NSN 2990-01-283-3858 is a Plunger,sensing Valve, manufactured by Woodward, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-283-3858 has 2 manufacturer part numbers on file: 9987-904 ITEM 34 (Woodward, Inc.), 3309-033 (Woodward, Inc.).
Key specifications for 3309-033: General Characteristics Item Description: STEEL,CASE HARDENED PER 1117. 1 specification is 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.