The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-080-0638, 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 18 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 | 3040-01-080-0638 |
| Primary Part Number | 74869621 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| First Piston Rod End Thread Class | UNABLE TO DECODE |
| Compressed Length | 16.250 INCHES NOMINAL IN |
| Extended Length | 22.750 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNABLE TO DECODE |
| First Piston Rod End Thread Quantity Per Inch | UNABLE TO DECODE |
| First End External Thread Length | UNABLE TO DECODE |
| Body Outside Diameter | 2.750 INCHES NOMINAL IN |
| First Piston Rod End Style | UNABLE TO DECODE |
| Port Thread Class | UNABLE TO DECODE |
| Port Thread Quantity Per Inch | UNABLE TO DECODE |
| Body Material | STEEL |
| Port Thread Diameter | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| First Piston Rod End Thread Series Designator | UNABLE TO DECODE |
| Bore Diameter | 2.250 INCHES NOMINAL IN |
| First Piston Rod End Thread Diameter | UNABLE TO DECODE |
| First End Outside Diameter | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-080-0638 is a Cylinder Assembly,actuating,line, manufactured by Kalmar AC Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-080-0638 has 2 manufacturer part numbers on file: 4869621-5 (Kalmar AC Inc), 74869621 (Kalmar AC Inc).
Key specifications for 74869621: First Piston Rod End Thread Class: UNABLE TO DECODE; Overall Height: 3.250 INCHES NOMINAL IN; Compressed Length: 16.250 INCHES NOMINAL IN; Extended Length: 22.750 INCHES NOMINAL IN. 18 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.