The Valve,shuttle, cataloged under National Stock Number 4820-01-335-7226, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-335-7226 |
| Primary Part Number | 566581 |
| Item Name | Valve,shuttle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | ALUMINUM ALLOY BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| MRV3-16-D-0 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 566581 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| MRV3-16-D-0 | 3/9 Design control — primary reference Modular Controls Corp |
NSN 4820-01-335-7226 is a Valve,shuttle, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-335-7226 has 2 manufacturer part numbers on file: MRV3-16-D-0 (Eaton Aerospace, Llc Dba Jackson South), 566581 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-439-0759. Verify interchangeability with system specifications before substitution.
Key specifications for 566581: Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: CARTRIDGE TYPE; Media for Which Designed: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE. 6 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.