The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-151-8540, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Marathonnorco Aerospace, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-151-8540 |
| Primary Part Number | A2756-2 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| Compressed Length | 14.540 INCHES MINIMUM AND 14.660 INCHES MAXIMUM IN |
| Piston Rod End Similarity | NOT IDENTICAL |
| Extended Length | 25.940 INCHES MINIMUM AND 26.060 INCHES MAXIMUM IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Second End Fork Width | UNABLE TO DECODE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Second Piston Rod End Style | TONGUE TYPE |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| First Piston Rod End Style | UNABLE TO DECODE |
| First End Thickness at Mounting Holes | UNABLE TO DECODE |
| Features Provided | LOCKING DEVICE |
| Second End Tongue Length | UNABLE TO DECODE |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 0.540 INCHES NOMINAL IN |
| Second End Thickness at Mounting Holes | UNABLE TO DECODE |
| First End Outside Diameter | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A2756-2 PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1213AS603 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3040-01-151-8540 is a Cylinder Assembly,actuating,line, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-151-8540 has 1 manufacturer part number on file: A2756-2 (Marathonnorco Aerospace, Inc.).
Key specifications for A2756-2: Compressed Length: 14.540 INCHES MINIMUM AND 14.660 INCHES MAXIMUM IN; Piston Rod End Similarity: NOT IDENTICAL; Extended Length: 25.940 INCHES MINIMUM AND 26.060 INCHES MAXIMUM IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER. 16 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.
NSN 3040-01-151-8540 has DEMIL Code B. 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.