The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-211-4631, 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2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-211-4631 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Outside Diameter | 17.500 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 1004303-1 | C/1 Advisory reference — outside the item-of-supply concept Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| 1004303-1 | 3/9 Design control — primary reference Ecolaire Inc Baldwin-Hamilton Co Div |
| 1004131 PIECE 22 | 5/9 Secondary reference Ecolaire Inc Baldwin-Hamilton Co Div |
| 1004303-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3040-01-211-4631 is a Piston,linear Actuating Cylinder, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-211-4631: Outside Diameter: 17.500 INCHES NOMINAL IN; Overall Length: 8.500 INCHES NOMINAL IN; Special Features: 12.007 IN.ID;MATERIAL SPEC MIL-S-890,ALT 2,AISI 4340;2 MTG HOLES,3/8-16 UNC-2B BY 1.000 IN.DEEP,ON 15.875 IN.DIA BOLT CIRCLE IN; Material: STEEL. 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.
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.