The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-356-0780, 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 Parker-Hannifin Corporation Div Gas Turbine Fuel Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-356-0780 |
| Primary Part Number | 6905020-4 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Connection Style | BOSS GASKET SEAL ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Thread Class | 2B ALL ENDS |
| Material | STEEL BODY |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | UNF 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 |
|---|---|
| 6905020-4 PRIMARY | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems (USA) |
| Reference | Meaning |
|---|---|
| 6905020 | D/9 Drawing number reference only Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
NSN 4730-01-356-0780 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Div Gas Turbine Fuel Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-356-0780 has 1 manufacturer part number on file: 6905020-4 (Parker-Hannifin Corporation Div Gas Turbine Fuel Systems).
Key specifications for 6905020-4: Furnished Items and Quantity: 1 PREFORMED PACKING; Connection Style: BOSS GASKET SEAL ALL ENDS; Connection Type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END. 10 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.