The Lever,valve Switch, cataloged under National Stock Number 2995-01-089-4164, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lever,valve Switch |
| FSC / FSG | 2995 — Miscellaneous Engine Accessories, Aircraft (FSG 29) |
| Manufacturers | Woodward, Inc. Div Fuel Systems and Controls (CAGE 66503) |
| Parameter | Value |
|---|---|
| NSN | 2995-01-089-4164 |
| Primary Part Number | 74521 |
| Item Name | Lever,valve Switch |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74521 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| Reference | Meaning |
|---|---|
| 74521 | C/1 Advisory reference — outside the item-of-supply concept Vacco Industries |
| 74521 | 5/9 Secondary reference Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
NSN 2995-01-089-4164 is a Lever,valve Switch, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-01-089-4164 has 1 manufacturer part number on file: 74521 (Woodward, Inc. Div Fuel Systems and Controls).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-484-5151, 6605-01-565-4897, 5130-01-734-1706. Verify interchangeability with system specifications before substitution.
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 2995-01-089-4164 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.