The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-394-0588, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-394-0588 |
| Primary Part Number | FD01-1000-20-20 |
| Item Name | Coupling Assembly,quick Disconne |
| 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 |
| Surface Treatment Document and Classification | QQ-P-35,TY 1,2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | BOSS GASKET SEAL FIRST FLUID END CONNECTION |
| Connection Type | THREADED INTERNAL BOSS FIRST FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Quick Disconnect Nominal Size | 1.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.625 INCHES FIRST FLUID END CONNECTION IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2B FIRST FLUID END CONNECTION |
| Thread Quantity Per Inch | 12 FIRST FLUID END CONNECTION |
| Material | STEEL OVERALL |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | UN FIRST FLUID END CONNECTION |
| Raised Face Nominal Diameter | 1.502 INCHES IN |
| Raised Face Nominal Height | 0.174 INCHES 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 |
|---|---|
| FD01-1000-20-20 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 5598320-1 | Naval Sea Systems Command (USA) |
| 5598320 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| FD01-1000-20-20 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
NSN 4730-01-394-0588 is a Coupling Assembly,quick Disconne, 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 4730-01-394-0588 has 3 manufacturer part numbers on file: FD01-1000-20-20 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 5598320-1 (Naval Sea Systems Command), 5598320 (Naval Sea Systems Command).
Key specifications for FD01-1000-20-20: Surface Treatment Document and Classification: QQ-P-35,TY 1,2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: BOSS GASKET SEAL FIRST FLUID END CONNECTION; Connection Type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY. 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.