The Cylinder,actuating,linear, cataloged under National Stock Number 3040-01-342-3980, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-342-3980 |
| Primary Part Number | 3770521044 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Overall Diameter | 3.555 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3770521044 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| L835028A0388 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 835028A0388 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| 10694 | 3/9 Design control — primary reference Usi Inc |
NSN 3040-01-342-3980 is a Cylinder,actuating,linear, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-342-3980 has 2 manufacturer part numbers on file: 3770521044 (Parker Hannifin Corporation Div Cylinder Division), L835028A0388 (General Dynamics Land Systems Canadacorp).
1 possible match (shared part number, not a government interchangeability claim): 6525-01-571-6263. Verify interchangeability with system specifications before substitution.
Key specifications for 3770521044: Overall Diameter: 3.555 INCHES NOMINAL IN; Material: STEEL BODY. 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.
NSN 3040-01-342-3980 has DEMIL Code Q. 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.