The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-423-7769, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-423-7769 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Outside Diameter | 178.0 MILLIMETERS NOMINAL MM |
| Ring Groove Quantity | 1 |
| Material | STEEL |
| 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 |
|---|---|
| 21-10601 ITEM 3 | C/1 Advisory reference — outside the item-of-supply concept Macgregor Sweden Ab |
| 453428A | 3/9 Design control — primary reference Macgregor Sweden Ab |
| 21-10601 ITEM 3 | 5/9 Secondary reference Macgregor Sweden Ab |
| 589-6953103 | D/9 Drawing number reference only U.S. Government activity |
| 453428 | C/1 Advisory reference — outside the item-of-supply concept Tl-Hydraulics Laatukoneistus Oy |
| 453428A | C/1 Advisory reference — outside the item-of-supply concept Macgregor Sweden Ab |
| 589-6953103 ITEM 3 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-423-7769 is a Piston,linear Actuating Cylinder, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-424-7593. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-423-7769: Outside Diameter: 178.0 MILLIMETERS NOMINAL MM; Overall Length: 90.0 MILLIMETERS NOMINAL MM; Ring Groove Quantity: 1; Special Features: MATERIAL ST52,3 AND FE 52 C PER AISI 1518 AND ASTM A29 GR 1119. 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.