The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-00-421-9358, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-421-9358 |
| Primary Part Number | 74809524-7 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Compressed Length | 16.250 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF |
| Body Outside Diameter | 2.250 INCHES NOMINAL IN |
| Port Thread Class | 2B |
| Port Thread Quantity Per Inch | 20 |
| Body Material | STEEL |
| Port Thread Diameter | 0.438 INCHES NOMINAL IN |
| Port Style | GASKET SEAL |
| First End Hole Diameter | 0.500 INCHES NOMINAL IN |
| Bore Diameter | 0.812 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 |
| Part Number | Manufacturer |
|---|---|
| 74809524-7 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 74809524 | 5/9 Secondary reference Kalmar AC Inc |
| 6707-067 | 3/9 Design control — primary reference U.S. Government activity |
| 4809524-4 | 5/9 Secondary reference Kalmar AC Inc |
NSN 3040-00-421-9358 is a Cylinder Assembly,actuating,line, manufactured by Kalmar AC Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-421-9358 has 1 manufacturer part number on file: 74809524-7 (Kalmar AC Inc).
Key specifications for 74809524-7: Compressed Length: 16.250 INCHES NOMINAL IN; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; Port Thread Series Designator: UNF; Body Outside Diameter: 2.250 INCHES NOMINAL IN. 12 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.