The Nut,tube Coupling, cataloged under National Stock Number 4730-01-628-9143, 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 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters. Government technical data includes 16 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 | 4730-01-628-9143 |
| Primary Part Number | FM12LVITSSA |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| Status | ACTIVE |
| Length to Shoulder | 12.5 MILLIMETERS NOMINAL MM |
| Width Across Flats | 22.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.5 |
| Thread Pitch Diameters | -17.90 TO 18.05 MILLIMETERS MM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 18.0 MILLIMETERS MM |
| Nut Height | 15.5 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC NUT |
| Nut Style | TUBE COUPLING |
| Material | STEEL NUT |
| Material | STEEL CORROSION RESISTING LOCKING INSERT |
| Fabrication Method | MACHINED |
| Smallest Inside Diameter | 12.0 MILLIMETERS NOMINAL MM |
| Nominal Tube Outside Diameter | 12.0 MILLIMETERS MM |
| 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 |
|---|---|
| FM12LVITSSA PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
NSN 4730-01-628-9143 is a Nut,tube Coupling, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-628-9143 has 1 manufacturer part number on file: FM12LVITSSA (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters).
Key specifications for FM12LVITSSA: Length to Shoulder: 12.5 MILLIMETERS NOMINAL MM; Width Across Flats: 22.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: M. 16 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.