The Coupling,pipe, cataloged under National Stock Number 4730-01-289-9559, 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 Grainger W W Inc Grainger Div. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-289-9559 |
| Primary Part Number | 2TV66 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Grainger W W Inc Grainger Div |
| Status | ACTIVE |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| 2TV66 PRIMARY | Grainger W W Inc Grainger Div (USA) |
| Reference | Meaning |
|---|---|
| VKA7792 | 5/9 Secondary reference Fruehauf Corp Fruehauf Trailer Opns |
| 6080600 | 3/9 Design control — primary reference Central States Industrial Supply |
| TKG5440 | D/9 Drawing number reference only Fruehauf Corp Fruehauf Trailer Opns |
NSN 4730-01-289-9559 is a Coupling,pipe, manufactured by Grainger W W Inc Grainger Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-289-9559 has 1 manufacturer part number on file: 2TV66 (Grainger W W Inc Grainger Div).
Key specifications for 2TV66: Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Material: STEEL COMP 304 OVERALL; Thread Series Designator: NPT ALL ENDS. 3 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.