The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-021-8143, 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-021-8143 |
| Primary Part Number | 3G8069 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Piston Rod End Similarity | NOT IDENTICAL |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| First Piston Rod End Style | BEARING TYPE |
| Body Material | STEEL |
| Mounting Provision for Which Designed | PIN(S) |
| Bore Diameter | 2.500 INCHES NOMINAL IN |
| Mounting Type and Location | TRUNNION CYLINDER HEAD END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-021-8143 is a Cylinder Assembly,actuating,line, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-021-8143 has 2 manufacturer part numbers on file: 3G8069 (Caterpillar Inc Div Caterpillar Defense), 8J5538 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 3G8069: Piston Rod End Similarity: NOT IDENTICAL; Design Characteristics: SINGLE ACTING SINGLE CYLINDER; First Piston Rod End Style: BEARING TYPE; Body Material: STEEL. 7 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.