The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-622-7573, 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 Lakeville Parker Service Center. Government technical data includes 11 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 | 4730-01-622-7573 |
| Primary Part Number | 6610-12-12 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Lakeville Parker Service Center |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SEAL AND 1 NIPPLE |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Connection Type | GROOVED COUPLING AND THREADED INTERNAL PIPE SECOND FLUID END CONNECTION |
| Connection Type | THREADED INTERNAL PIPE AND EXTERNAL QUICK DISCONNECT FIRST FLUID END CONNECTION |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Basic Shape Style | ROUND ALL ENDS |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Coupling Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | NPTF SECOND FLUID END CONNECTION |
| Thread Series Designator | NPTF FIRST FLUID END CONNECTION |
| 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 |
|---|---|
| 6610-12-12 PRIMARY | Parker-Hannifin Corporation Div Lakeville Parker Service Center (USA) |
NSN 4730-01-622-7573 is a Coupling Assembly,quick Disconne, manufactured by Parker-Hannifin Corporation Div Lakeville Parker Service Center, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-622-7573 has 1 manufacturer part number on file: 6610-12-12 (Parker-Hannifin Corporation Div Lakeville Parker Service Center).
Key specifications for 6610-12-12: Furnished Items and Quantity: 1 SEAL AND 1 NIPPLE; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Connection Type: GROOVED COUPLING AND THREADED INTERNAL PIPE SECOND FLUID END CONNECTION; Connection Type: THREADED INTERNAL PIPE AND EXTERNAL QUICK DISCONNECT FIRST FLUID END CONNECTION. 11 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.