The Tee,tube, cataloged under National Stock Number 4730-01-023-0131, 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 Danfoss Power Solutions II, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tee,tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Danfoss Power Solutions II, Llc (CAGE 01276) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-023-0131 |
| Primary Part Number | 641X6 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 641X6 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 641X6 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 078017 | 5/9 Secondary reference Tuthill Corporation Dba Tuthill Vac & Blower Systems Div Tuthill Vacuum Systems |
| 806538 | D/9 Drawing number reference only Tuthill Corporation Dba Tuthill Vac & Blower Systems Div Tuthill Vacuum Systems |
| 806538-9 | 5/9 Secondary reference Tuthill Corporation Dba Tuthill Vac & Blower Systems Div Tuthill Vacuum Systems |
NSN 4730-01-023-0131 is a Tee,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-023-0131 has 1 manufacturer part number on file: 641X6 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-417-5578. Verify interchangeability with system specifications before substitution.
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.