The Piston,actuator, cataloged under National Stock Number 3040-00-602-2475, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3040-00-602-2475 |
| Primary Part Number | 73283 |
| Item Name | Piston,actuator |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| General Characteristics Item Description | 2.820 IN. O/A LG,3.730 IN. DIA IN |
| 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 |
|---|---|
| 73283 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| Reference | Meaning |
|---|---|
| 72944PC2 | 5/9 Secondary reference Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
NSN 3040-00-602-2475 is a Piston,actuator, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-602-2475 has 1 manufacturer part number on file: 73283 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
2 possible matches (shared part number, not a government interchangeability claim): 2805-00-700-8545, 5840-01-046-8969. Verify interchangeability with system specifications before substitution.
Key specifications for 73283: General Characteristics Item Description: 2.820 IN. O/A LG,3.730 IN. DIA IN. 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.