The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-188-3199, 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 M. E. Industries, Inc.. Government technical data includes 7 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 | 4730-01-188-3199 |
| Primary Part Number | G-3191 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | M. E. Industries, Inc. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST FLUID END CONNECTION IN |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Quick Disconnect Nominal Size | 4.000 INCHES ALL ENDS IN |
| Material | ALUMINUM ALLOY OVERALL |
| Quick Disconnect Method | CAM-LOCKING 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 |
|---|---|
| G-3191 PRIMARY | M. E. Industries, Inc. (USA) |
NSN 4730-01-188-3199 is a Coupling Assembly,quick Disconne, manufactured by M. E. Industries, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-188-3199 has 1 manufacturer part number on file: G-3191 (M. E. Industries, Inc.).
Key specifications for G-3191: Nominal Pipe Size Accommodated: 4.000 INCHES FIRST FLUID END CONNECTION IN; Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Type: UNTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY. 7 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.