The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-01-563-5594, 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 Hydrasearch Company, Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-563-5594 |
| Primary Part Number | 66-190109-2-40 |
| Item Name | Adapter,straight,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Mounting End Type | FLAT |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Bolt Circle Nominal Diameter | 4.750 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 2.380 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 2.880 INCHES SECOND END IN |
| Nominal Overall Length | 3.890 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | FLANGED |
| Bolt Hole Nominal Diameter | 0.750 INCHES FIRST END IN |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 6.000 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Material | NICKEL ALLOY OVERALL |
| Nominal Thickness | 0.440 INCHES FIRST END 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 |
|---|---|
| 66-190109-2-40 PRIMARY | Hydrasearch Company, Llc (USA) |
| 531-8328657 PC NO F-10 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 66-190109-2-40 | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
NSN 4730-01-563-5594 is a Adapter,straight,flange to Hose, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-563-5594 has 2 manufacturer part numbers on file: 66-190109-2-40 (Hydrasearch Company, Llc), 531-8328657 PC NO F-10 (Naval Sea Systems Command).
Key specifications for 66-190109-2-40: Mounting End Type: FLAT; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Bolt Circle Nominal Diameter: 4.750 INCHES FIRST END IN; Nominal Inside Diameter Hose Accommodated: 2.380 INCHES SECOND END IN. 15 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.