The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-00-800-0113, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-800-0113 |
| Primary Part Number | 1FH56 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Provisions | 2.000 INCHES NOMINAL IN |
| Mounting Facility Thread Class | 3B |
| Compressed Length | 20.781 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Body Outside Diameter | 4.500 INCHES NOMINAL IN |
| Outside Diameter | UNABLE TO DECODE |
| Mounting Provision Arrangement Style | TWO HOLE |
| First Piston Rod End Style | UNABLE TO DECODE |
| First End Thickness at Mounting Holes | UNABLE TO DECODE |
| Mounting Facility Thread Quantity Per Inch | 18 |
| Mounting Facility Thread Length | 0.562 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.625 INCHES NOMINAL IN |
| Port Style | UNABLE TO DECODE |
| First End Hole Diameter | UNABLE TO DECODE |
| Mounting Facility Thread Series Designator | UNF |
| Mounting Provision for Which Designed | THREADED MOUNTING HOLES |
| Bore Diameter | 3.953 INCHES NOMINAL IN |
| Mounting Type and Location | FLANGE PISTON ROD END |
| Mounting Facility Thread Direction | RIGHT-HAND |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1FH56 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1FH56 | 5/9 Secondary reference Oshkosh Corp |
| 3433-5A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-800-0113 is a Cylinder Assembly,actuating,line, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-800-0113 has 1 manufacturer part number on file: 1FH56 (Oshkosh Defense Llc).
Key specifications for 1FH56: Center to Center Distance Between Mounting Provisions: 2.000 INCHES NOMINAL IN; Mounting Facility Thread Class: 3B; Compressed Length: 20.781 INCHES NOMINAL IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER. 20 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.