The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-190-5929, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-190-5929 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Outside Diameter | 2.621 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2640-680X2 | D/9 Drawing number reference only U.S. Government activity |
| 2180772 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
| 2180772 | D/9 Drawing number reference only U.S. Government activity |
| 2640-680X2 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-190-5929 is a Piston,linear Actuating Cylinder, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-190-5930, 3010-01-190-5931. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-190-5929: Outside Diameter: 2.621 INCHES NOMINAL IN; Overall Length: 16.312 INCHES NOMINAL IN; Special Features: 1 END 1.871 IN.OD;MATERIAL SPEC QQ-B-679,COMP 2 IN; Material: ALUMINUM ALLOY 2024. 2 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.
NSN 3040-01-190-5929 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.