The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-050-3575, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-050-3575 |
| Primary Part Number | 74866796 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| First End Fork Depth | UNABLE TO DECODE |
| Compressed Length | 15.750 INCHES NOMINAL IN |
| Extended Length | 21.000 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Second End Fork Width | UNABLE TO DECODE |
| Overall Diameter | 1.760 INCHES NOMINAL IN |
| Port Thread Series Designator | UNABLE TO DECODE |
| First End Fork Width | UNABLE TO DECODE |
| First End Fork Span Width | UNABLE TO DECODE |
| 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 |
| First End Largest Inside Diameter | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| First End Hole Diameter | UNABLE TO DECODE |
| Bore Diameter | 0.688 INCHES NOMINAL IN |
| Mounting Type and Location | TONGUE 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 3040-01-050-3575 is a Cylinder Assembly,actuating,line, manufactured by Kalmar AC Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-050-3575 has 2 manufacturer part numbers on file: 74866796 (Kalmar AC Inc), 4866796-8 (Kalmar AC Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-104-9073, 5940-01-435-5634. Verify interchangeability with system specifications before substitution.
Key specifications for 74866796: First End Fork Depth: UNABLE TO DECODE; Compressed Length: 15.750 INCHES NOMINAL IN; Extended Length: 21.000 INCHES NOMINAL IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER. 19 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.