The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-604-3431, 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 Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 15 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 | 4730-01-604-3431 |
| Primary Part Number | 390261-8 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Connection Style | FLARED SECOND QUICK DISCONNECT END |
| Connection Style | PUSH (EXTERNAL) FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST FLUID END CONNECTION |
| Connection Type | THREADED EXTERNAL TUBE SECOND QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.657 INCHES NOMINAL IN |
| Nominal Thread Size | 0.750 INCHES SECOND QUICK DISCONNECT END IN |
| Nominal Outside Diameter | 1.250 INCHES IN |
| Surface Treatment | PASSIVATE BODY |
| Surface Treatment | ANODIZE OUTSIDE |
| Thread Quantity Per Inch | 16 SECOND QUICK DISCONNECT END |
| Material | STEEL CORROSION RESISTING BODY |
| Material | ALUMINUM OUTSIDE |
| Thread Series Designator | UNF SECOND QUICK DISCONNECT END |
| 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 |
|---|---|
| 390261-8 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
NSN 4730-01-604-3431 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-604-3431 has 1 manufacturer part number on file: 390261-8 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 390261-8: Connection Style: FLARED SECOND QUICK DISCONNECT END; Connection Style: PUSH (EXTERNAL) FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT FIRST FLUID END CONNECTION; Connection Type: THREADED EXTERNAL TUBE SECOND QUICK DISCONNECT END. 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.