The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-220-5456, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-220-5456 |
| Primary Part Number | 2014-44 PIECE 7 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Outside Diameter | 12.494 INCHES NOMINAL IN |
| Ring Groove Quantity | 1 |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2014-44 PIECE 7 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| SSN688-518-4457128 PE 7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-220-5456 is a Piston,linear Actuating Cylinder, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-220-5456 has 1 manufacturer part number on file: 2014-44 PIECE 7 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2014-44 PIECE 7: Outside Diameter: 12.494 INCHES NOMINAL IN; Overall Length: 6.500 INCHES NOMINAL IN; Ring Groove Quantity: 1; Special Features: ALUMINUM BRONZE PER QQ-C-465 ALLOY;PARTIAL THD BORE,3.750-12 UN-3B BY 4.500 IN.DEEP IN. 3 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.