The Cylinder,actuating,linear, cataloged under National Stock Number 3040-01-477-0795, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-477-0795 |
| Primary Part Number | 634-6571 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Special Test Features | ATTRIBUTES: MINIMIZE FLUID LEAKAGE AND FRICTION, ENSURING SMOOTH OPERATION; PROVIDES PRECISE CONTROL OVER THE MOVEMENT AND POSITIONING OF LOADS; APPLICATIONS: THE HYDRAULIC CYLINDER IS USED TO FACILITATE SEAMLESS INTEGRATION INTO SYSTEMS REQUIRING CONTROLLED AND PRECISE LINEAR MOTION AND OFFERS CONSISTENT AND PREDICTABLE MOTION CONTROL, ENABLING PRECISE CONTROL FOR TASKS LIKE LIFTING, TILTING AND PUSHING IN DEMANDING ACCURACY AND REPEATABILITY |
| 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 |
|---|---|
| 634-6571 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 109-6705 | 3/9 Design control — primary reference Caterpillar Inc Div Caterpillar Defense |
NSN 3040-01-477-0795 is a Cylinder,actuating,linear, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-477-0795 has 1 manufacturer part number on file: 634-6571 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 634-6571: Special Test Features: ATTRIBUTES: MINIMIZE FLUID LEAKAGE AND FRICTION, ENSURING SMOOTH OPERATION; PROVIDES PRECISE CONTROL OVER THE MOVEMENT AND POSITIONING OF LOADS; APPLICATIONS: THE HYDRAULIC CYLINDER IS USED TO FACILITATE SEAMLESS INTEGRATION INTO SYSTEMS REQUIRING CONTROLLED AND PRECISE LINEAR MOTION AND OFFERS CONSISTENT AND PREDICTABLE MOTION CONTROL, ENABLING PRECISE CONTROL FOR TASKS LIKE LIFTING, TILTING AND PUSHING IN DEMANDING ACCURACY AND REPEATABILITY; Overall Length: 304.80 MILLIMETERS NOMINAL MM; Special Features: HYDRAULIC CYLINDER IS USED TO CONVERT FLUID POWER INTO LINEAR MOTION;IT CONSISTS OF A CYLINDRICAL BODY WITH AN INTERNAL PISTON, A ROD ATTACHED TO THE PISTON, AND PORTS FOR FLUID INLET AND OUTLET; WHEN HYDRAULIC FLUID IS SUPPLIED UNDER PRESSURE THROUGH THE INLET PORT, IT PUSHES AGAINST THE PISTON, CAUSING THE ROD TO EXTEND AND RETRACT DEPENDING ON THE DESIGN; Part Name Assigned by Controlling Agency: 304.8MM STROKE HYDRAULIC CYLINDER MM. 1 specification is 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.