The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-212-2640, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-212-2640 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Outside Diameter | 13.4715 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4674765 ITEM 4 | 5/2 Secondary reference U.S. Government activity |
| TT623-0505 PC 4 | 3/2 Design control — primary reference U.S. Government activity |
| 4674765-0004 | 5/2 Secondary reference U.S. Government activity |
| TT623-0505 | D/9 Drawing number reference only U.S. Government activity |
| 87623-0505 | D/9 Drawing number reference only U.S. Government activity |
| 518-4674765 | D/9 Drawing number reference only U.S. Government activity |
| 87623-0505 ITEM 4 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-212-2640 is a Piston,linear Actuating Cylinder, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-212-2640: Outside Diameter: 13.4715 INCHES NOMINAL IN; Overall Length: 4.505 INCHES NOMINAL IN; Special Features: NICKEL ALUMINUM BRONZE PER MIL-B-24059;3 THD HOLES,0.750-10 UNC-3B BY 1.250 IN.DEEP,120 DEGREES APART;CBORE 4.747 IN.DIA IN; Material: NICKEL ALLOY. 2 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.