The Nut,tube Coupling, cataloged under National Stock Number 4730-01-115-9714, 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 Testek Llc Dba Testek Solutions. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-115-9714 |
| Primary Part Number | 0850-0003 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Height | 0.600 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 12L14 OVERALL |
| Smallest Inside Diameter | 0.500 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.188 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 |
|---|---|
| 0850-0003 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
| Reference | Meaning |
|---|---|
| 0850-0003 | 5/9 Secondary reference Aai Corporation Div Mississippi Operations |
NSN 4730-01-115-9714 is a Nut,tube Coupling, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-115-9714 has 1 manufacturer part number on file: 0850-0003 (Testek Llc Dba Testek Solutions).
Key specifications for 0850-0003: Width Across Flats: 0.688 INCHES NOMINAL IN; Thread Series: UN; Thread Direction: LEFT-HAND; Nominal Thread Size: 0.438 INCHES IN. 11 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.