The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-00-503-1585, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Wheeler Fleet Solutions, Co.. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-503-1585 |
| Primary Part Number | 1145-D6NNL903E |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Mounting Facility Diameter | 1.500 INCHES NOMINAL IN |
| First End Tongue Length | 3.500 INCHES NOMINAL IN |
| Compressed Length | 42.000 INCHES NOMINAL IN |
| Extended Length | 70.000 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Port Thread Series Designator | UN |
| First End Fork Width | 2.375 INCHES NOMINAL IN |
| Body Outside Diameter | 4.000 INCHES NOMINAL IN |
| Mounting Facility Length | 2.500 INCHES NOMINAL IN |
| First Piston Rod End Style | TONGUE TYPE |
| First End Thickness at Mounting Holes | 2.375 INCHES NOMINAL IN |
| Port Thread Class | 2A A |
| Port Thread Quantity Per Inch | 12 |
| Body Material | STEEL |
| Port Style | GASKET SEAL |
| First End Hole Diameter | 1.000 INCHES NOMINAL IN |
| Mounting Provision for Which Designed | PIN(S) |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.250 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 |
|---|---|
| 1145-D6NNL903E PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| C3288 PRIMARY | Cylinder City Inc (USA) |
| D6NNL903E PRIMARY | New Holland N.v.nc. (USA) |
| Reference | Meaning |
|---|---|
| 293274 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 293274 | 5/9 Secondary reference Ford Motor Company |
| 293274 | 5/9 Secondary reference New Holland N.v.nc. |
NSN 3040-00-503-1585 is a Cylinder Assembly,actuating,line, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-503-1585 has 3 manufacturer part numbers on file: 1145-D6NNL903E (Wheeler Fleet Solutions, Co.), C3288 (Cylinder City Inc), D6NNL903E (New Holland N.v.nc.).
2 possible matches (shared part number, not a government interchangeability claim): 5950-00-539-3091, 5315-00-701-6214. Verify interchangeability with system specifications before substitution.
Key specifications for 1145-D6NNL903E: Mounting Facility Diameter: 1.500 INCHES NOMINAL IN; First End Tongue Length: 3.500 INCHES NOMINAL IN; Overall Height: 5.625 INCHES NOMINAL IN; Compressed Length: 42.000 INCHES NOMINAL IN. 21 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.