The Nut,tube Coupling, cataloged under National Stock Number 4730-01-047-0227, 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 Dresser, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-047-0227 |
| Primary Part Number | 120920D |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Length to Shoulder | 0.890 INCHES NOMINAL IN |
| Width Across Flats | 1.375 INCHES NOMINAL IN |
| Thread Series | UN |
| Material Document and Classification | SAE360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 1.016 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY 360 OVERALL |
| Fabrication Method | MACHINED |
| Smallest Inside Diameter | 0.906 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.875 INCHES IN |
| 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 |
|---|---|
| 120920D | Dresser, Llc (USA) |
| Reference | Meaning |
|---|---|
| 61VL-10 | 5/2 Secondary reference U.S. Government activity |
| 61-FL7/8 | 3/9 Design control — primary reference Imperial |
NSN 4730-01-047-0227 is a Nut,tube Coupling, manufactured by Dresser, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-047-0227 has 1 manufacturer part number on file: 120920D (Dresser, Llc).
Key specifications for 120920D: Length to Shoulder: 0.890 INCHES NOMINAL IN; Width Across Flats: 1.375 INCHES NOMINAL IN; Thread Series: UN; Material Document and Classification: SAE360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.