The Coupling Assembly,self-Sealing, cataloged under National Stock Number 4730-00-585-8575, 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 20 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-585-8575 |
| Primary Part Number | 3200-4 |
| Item Name | Coupling Assembly,self-Sealing |
| 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 |
| Second Leg Length | 0.550 INCHES NOMINAL IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL FIRST QUICK DISCONNECT END |
| Connection Style | FLARED SECOND QUICK DISCONNECT END |
| Connection Type | THREADED EXTERNAL BOSS FIRST QUICK DISCONNECT END |
| Connection Type | THREADED EXTERNAL TUBE SECOND QUICK DISCONNECT END |
| Style Designator | COUPLING ASSEMBLY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND QUICK DISCONNECT END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Second End Relationship with First End | NOT IDENTICAL |
| Nominal Thread Size | 0.438 INCHES SECOND QUICK DISCONNECT END IN |
| Nominal Thread Size | 0.875 INCHES FIRST QUICK DISCONNECT END IN |
| Maximum Operating Temp | -54.0 CELSIUS SINGLE RESPONSE DEGC |
| Maximum Operating Temp | 135.0 CELSIUS FIRST RESPONSE DEGC |
| First Leg Length | 0.604 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 2A FIRST QUICK DISCONNECT END A |
| Thread Class | 2A SECOND QUICK DISCONNECT END A |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNF SECOND QUICK DISCONNECT END |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 3200-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
NSN 4730-00-585-8575 is a Coupling Assembly,self-Sealing, 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 4730-00-585-8575 has 1 manufacturer part number on file: 3200-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
4 possible matches (shared part number, not a government interchangeability claim): 2540-00-652-6260, 2805-01-041-3083, 6220-01-588-4265. Verify interchangeability with system specifications before substitution.
Key specifications for 3200-4: Second Leg Length: 0.550 INCHES NOMINAL IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL FIRST QUICK DISCONNECT END; Connection Style: FLARED SECOND QUICK DISCONNECT END; Connection Type: THREADED EXTERNAL BOSS FIRST QUICK DISCONNECT END. 20 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.