The Reducer,quick Disconnect, cataloged under National Stock Number 4730-01-558-9540, 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 Echelon Supply and Service, Inc.. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-558-9540 |
| Primary Part Number | 3020159 |
| Item Name | Reducer,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Echelon Supply and Service, Inc. |
| Status | ACTIVE |
| Connection Type | INTERNAL QUICK DISCONNECT |
| Style Designator | REDUCER/COUPLING |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Quick Disconnect Nominal Size | 2.000 INCHES SECOND QUICK DISCONNECT END IN |
| Quick Disconnect Nominal Size | 2.500 INCHES FIRST QUICK DISCONNECT END IN |
| Media for Which Designed | WATER |
| Quick Disconnect Method | TWO LUG UNIVERSAL ALL ENDS |
| 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 |
|---|---|
| 3020159 PRIMARY | Echelon Supply and Service, Inc. (USA) |
NSN 4730-01-558-9540 is a Reducer,quick Disconnect, manufactured by Echelon Supply and Service, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-558-9540 has 1 manufacturer part number on file: 3020159 (Echelon Supply and Service, Inc.).
Key specifications for 3020159: Connection Type: INTERNAL QUICK DISCONNECT; Style Designator: REDUCER/COUPLING; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Quick Disconnect Nominal Size: 2.000 INCHES SECOND QUICK DISCONNECT END IN. 7 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.