The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-514-8454, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-514-8454 |
| Primary Part Number | 4D99433H02 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| 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 |
|---|---|
| 4D99436 ITEM 11 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| 4D99433H02 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| Reference | Meaning |
|---|---|
| 4D99436 | D/9 Drawing number reference only Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
NSN 3040-01-514-8454 is a Piston,linear Actuating Cylinder, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-514-8454 has 2 manufacturer part numbers on file: 4D99436 ITEM 11 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4D99433H02 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-514-8459, 3040-01-561-8087. Verify interchangeability with system specifications before substitution.
Key specifications for 4D99433H02: End Item Identification: JOINT ASSEMBLY; DEPLOYMENT CYLINDER; SEAWOLF SSN. 0 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.