The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-658-0184, 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 12 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 | 4730-01-658-0184 |
| Primary Part Number | SVHC4-4MOS |
| 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 Style | PUSH (EXTERNAL) FIRST QUICK DISCONNECT END |
| Connection Style | FLARED W/GASKET SEAL (BOSS) FIRST FLUID END CONNECTION |
| Connection Type | THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.25 INCHES FIRST FLUID END CONNECTION IN |
| Seat Angle | 37.0 DEGREES |
| Thread Quantity Per Inch | 18 FIRST FLUID END CONNECTION |
| Material | STEEL CORROSION RESISTING BODY |
| Quick Disconnect Method | PUSH-LOCK FIRST QUICK DISCONNECT END |
| Thread Series Designator | NPT 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 |
|---|---|
| SVHC4-4MOS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| 508-8483716-F18 | Naval Sea Systems Command (USA) |
| 508-8484308-F18 | Naval Sea Systems Command (USA) |
NSN 4730-01-658-0184 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 4730-01-658-0184 has 3 manufacturer part numbers on file: SVHC4-4MOS (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 508-8483716-F18 (Naval Sea Systems Command), 508-8484308-F18 (Naval Sea Systems Command).
Key specifications for SVHC4-4MOS: Connection Style: PUSH (EXTERNAL) FIRST QUICK DISCONNECT END; Connection Style: FLARED W/GASKET SEAL (BOSS) FIRST FLUID END CONNECTION; Connection Type: THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END. 12 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.