The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-423-9960, 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 Dba Pneutronics Div Quick Coupler Division. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-423-9960 |
| Primary Part Number | SPHN4-4RP |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Surface Treatment | PASSIVATE BODY |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | NPT 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 |
|---|---|
| SPHN4 (1/4"BSP) | Hovair Systems (a Division of Air-Log Ltd) (GBR) |
| TD000073H | Hovair Systems (a Division of Air-Log Ltd) (GBR) |
| SPHN4-4RP PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
NSN 4730-01-423-9960 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-423-9960 has 3 manufacturer part numbers on file: SPHN4 (1/4"BSP) (Hovair Systems (a Division of Air-Log Ltd)), TD000073H (Hovair Systems (a Division of Air-Log Ltd)), SPHN4-4RP (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
Key specifications for SPHN4-4RP: Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Special Features: BRITISH FEMALE END FITTING; Surface Treatment: PASSIVATE BODY. 5 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.