The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-429-1297, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cincinnati Valve Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-429-1297 |
| Primary Part Number | 45A221-P5 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Cincinnati Valve Company |
| Status | ACTIVE |
| Ring Groove Quantity | 3 |
| 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 |
|---|---|
| 45A221-P5 PRIMARY | Cincinnati Valve Company (USA) |
| 2BC836 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 45A221-P5 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 2BC836 | 5/9 Secondary reference Oshkosh Corp |
NSN 3040-01-429-1297 is a Piston,linear Actuating Cylinder, manufactured by Cincinnati Valve Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-429-1297 has 2 manufacturer part numbers on file: 45A221-P5 (Cincinnati Valve Company), 2BC836 (Oshkosh Defense Llc).
Key specifications for 45A221-P5: Ring Groove Quantity: 3; End Item Identification: 2320-01-097-0249 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK). 1 specification is 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.