The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-313-0646, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-313-0646 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Pressure Rating | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End External Thread Length | 2.000 INCHES NOMINAL IN |
| Compressed Length | 61.080 INCHES NOMINAL IN |
| Piston Rod End Similarity | NOT IDENTICAL |
| Extended Length | 84.440 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Overall Diameter | 3.750 INCHES NOMINAL IN |
| Second Piston Rod End Thread Class | 2A A |
| First End Fork Width | 4.870 INCHES NOMINAL IN |
| Second Piston Rod End Style | EXTERNAL THREADED |
| Second Piston Rod End Thread Series Designator | UN |
| First End Fork Span Width | 1.620 INCHES NOMINAL IN |
| First Piston Rod End Style | FORK TYPE (CLEVIS) |
| Second End Outside Diameter | 1.625 INCHES NOMINAL IN |
| First End Hole Diameter | 1.752 INCHES NOMINAL IN |
| Second Piston Rod End Thread Diameter | 1.625 INCHES NOMINAL IN |
| Second Piston Rod End Thread Quantity Per Inch | 12 |
| Bore Diameter | 3.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2782253 | 3/2 Design control — primary reference U.S. Government activity |
| 2776778 | 5/9 Secondary reference Clark Equipment Co |
| 2782253 | 5/9 Secondary reference Clark Equipment Co |
| 3-1/4CM-A004 | 5/9 Secondary reference Sheffer Corp |
NSN 3040-01-313-0646 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-313-8796. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-313-0646: Pressure Rating: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Second End External Thread Length: 2.000 INCHES NOMINAL IN; Compressed Length: 61.080 INCHES NOMINAL IN; Piston Rod End Similarity: NOT IDENTICAL. 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.