The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-419-2566, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sheffer Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-419-2566 |
| Primary Part Number | 660-15003 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sheffer Corp |
| Status | ACTIVE |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Ring Groove Quantity | 1 |
| Material | IRON CAST |
| 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 |
|---|---|
| 2-1/2HH-A232 ITEM 9 | Sheffer Corp (USA) |
| 2-1/2HH-A231 ITEM 9 | Sheffer Corp (USA) |
| 660-15003 PRIMARY | Sheffer Corp (USA) |
| 2-1/2HH-A224 ITEM 9 | Sheffer Corp (USA) |
| 2-1/2HH-A223 ITEM 9 | Sheffer Corp (USA) |
NSN 3040-01-419-2566 is a Piston,linear Actuating Cylinder, manufactured by Sheffer Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-419-2566 has 5 manufacturer part numbers on file: 2-1/2HH-A232 ITEM 9 (Sheffer Corp), 2-1/2HH-A231 ITEM 9 (Sheffer Corp), 660-15003 (Sheffer Corp), 2-1/2HH-A224 ITEM 9 (Sheffer Corp), 2-1/2HH-A223 ITEM 9 (Sheffer Corp).
Key specifications for 660-15003: Outside Diameter: 2.500 INCHES NOMINAL IN; Ring Groove Quantity: 1; Special Features: SLIPPER RING DESIGN; FLAT CROWN; INTERNAL THREADS,SETSCREW AND STAKED; End Item Identification: NAVY WEAPON SYSTEM CODE EZ, TICONDEROGA CLASS CG. 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.