The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-199-1883, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-199-1883 |
| Primary Part Number | VHN12-12EF |
| 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 | BOSS GASKET SEAL ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 1.000 INCHES ALL ENDS IN |
| Leg Length | 1.040 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Surface Treatment | CADMIUM AND CHROMATE BODY |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL BODY |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Thread Series Designator | UN 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 |
|---|---|
| VHN12-12EF PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| 4195537326 PRIMARY | Daimler Truck North America Llc (USA) |
NSN 4730-01-199-1883 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 4730-01-199-1883 has 2 manufacturer part numbers on file: VHN12-12EF (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 4195537326 (Daimler Truck North America Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-237-6953. Verify interchangeability with system specifications before substitution.
Key specifications for VHN12-12EF: Connection Style: BOSS GASKET SEAL ALL ENDS; Connection Type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Overall Length: 2.750 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN. 13 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.