The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-503-8596, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cunningham Manufacturing Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Cunningham Manufacturing Co (CAGE 71777) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-503-8596 |
| Primary Part Number | 5CMV-8-C-4621 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Cunningham Manufacturing Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 5CMV-8-C-4621 PRIMARY | Cunningham Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| SE10902B | D/9 Drawing number reference only Cunningham Manufacturing Co |
NSN 3040-01-503-8596 is a Piston,linear Actuating Cylinder, manufactured by Cunningham Manufacturing Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-503-8596 has 1 manufacturer part number on file: 5CMV-8-C-4621 (Cunningham Manufacturing Co).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-503-8598, 3040-01-503-8605. Verify interchangeability with system specifications before substitution.
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.