The Connector,multiple,fluid Pressur, cataloged under National Stock Number 4730-01-085-7209, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace. Government technical data includes 16 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-085-7209 |
| Primary Part Number | MC12566 |
| Item Name | Connector,multiple,fluid Pressur |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace |
| Status | ACTIVE |
| Bolt Hole Fluid Passage | PROVIDED |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Connection Style | PLAIN FIRST CONNECTION |
| Connection Style | EXTERNAL SEAT OR GASKET SEAL SECOND CONNECTION |
| Bolt Hole Flats Serrations | NOT PROVIDED |
| Fluid Connection Quantity | 1 SECOND CONNECTION |
| Fluid Connection Quantity | 1 FIRST CONNECTION |
| Thread Direction | LEFT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Thread Size | 1 1/16 IN.-24 SECOND CONNECTION IN |
| Thread Size | 3/4 IN.-16 FIRST CONNECTION IN |
| Screw Thread Series Designator | UNF FIRST CONNECTION |
| Screw Thread Series Designator | NS-2 SECOND CONNECTION |
| Surface Treatment | ANODIZE |
| Thread Class | 3A FIRST CONNECTION A |
| Thread Class | 2A SECOND CONNECTION A |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| MC12566 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA) |
| Reference | Meaning |
|---|---|
| MC12566 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-085-7209 is a Connector,multiple,fluid Pressur, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-085-7209 has 1 manufacturer part number on file: MC12566 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace).
Key specifications for MC12566: Bolt Hole Fluid Passage: PROVIDED; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Connection Style: PLAIN FIRST CONNECTION; Connection Style: EXTERNAL SEAT OR GASKET SEAL SECOND CONNECTION. 16 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.