The Reducer,pipe, cataloged under National Stock Number 4730-01-239-8399, 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 Nibco Inc Chemtrol Div. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428); Ipex Usa Llc (CAGE 3G7F0); Nibco Inc Chemtrol Div (CAGE 61623) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-239-8399 |
| Primary Part Number | 1839-338 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4589K101 | Mcmaster-Carr Supply Co (USA) |
| 059424 | Ipex Usa Llc (USA) |
| 5118-3-4 3X2 | Nibco Inc Chemtrol Div (USA) |
| 1839-338 PRIMARY | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| 13226E8692-6 | 3/2 Design control — primary reference U.S. Government activity |
| 839-338C | 5/9 Secondary reference Spears Manufacturing Co. |
| 5118-3-4 3X2 | 5/9 Secondary reference Nibco Inc |
| 05050069 | 5/9 Secondary reference Nibco Inc |
| 05050069 | 5/9 Secondary reference Nibco Inc Chemtrol Div |
NSN 4730-01-239-8399 is a Reducer,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-239-8399 has 4 manufacturer part numbers on file: 4589K101 (Mcmaster-Carr Supply Co), 059424 (Ipex Usa Llc), 5118-3-4 3X2 (Nibco Inc Chemtrol Div), 1839-338 (Nibco Inc Chemtrol Div).
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.