The Coupling,special, cataloged under National Stock Number 4730-01-331-4210, 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 Stortz John and Son Incorporated. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Coupling,special |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Stortz John and Son Incorporated (CAGE 58005) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-331-4210 |
| Primary Part Number | FSA-1520 |
| Item Name | Coupling,special |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Stortz John and Son Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| FSA-1520 PRIMARY | Stortz John and Son Incorporated (USA) |
NSN 4730-01-331-4210 is a Coupling,special, manufactured by Stortz John and Son Incorporated, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-331-4210 has 1 manufacturer part number on file: FSA-1520 (Stortz John and Son Incorporated).
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.