The Coupling,hose, cataloged under National Stock Number 4730-01-286-3201, 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 Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-286-3201 |
| Primary Part Number | 307 1 1/2 NPT X 1 1/2NPSH |
| Item Name | Coupling,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| Status | ACTIVE |
| Connection Style | PLAIN (HOSE) FIRST END |
| Connection Style | PLAIN (HOSE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Leg Length | 1.875 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Surface Treatment | CHROMIUM OVERALL |
| Thread Quantity Per Inch | 11-1/2 ALL ENDS |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF 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 |
|---|---|
| 307 1 1/2 NPT X 1 1/2NPSH PRIMARY | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 307 | 5/9 Secondary reference Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
NSN 4730-01-286-3201 is a Coupling,hose, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-286-3201 has 1 manufacturer part number on file: 307 1 1/2 NPT X 1 1/2NPSH (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).
Key specifications for 307 1 1/2 NPT X 1 1/2NPSH: Connection Style: PLAIN (HOSE) FIRST END; Connection Style: PLAIN (HOSE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 10 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.