The Reducer,pipe, cataloged under National Stock Number 4730-00-253-0747, 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 Army Weapons Command Attn Amswe-Ree-S. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Reducer,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Army Weapons Command Attn Amswe-Ree-S (CAGE 21450) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-253-0747 |
| Primary Part Number | 444020 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| 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 |
|---|---|
| 444020 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| 16-12-130139B | 5/9 Secondary reference U.S. Government activity |
| 444020 | 5/1 Secondary reference Ordnance Parts and Engineering Co |
| J530 | 5/1 Secondary reference Sae International Dba Sae International |
| 16-12-130139B | 5/1 Secondary reference Sae International Dba Sae International |
| J530 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-253-0747 is a Reducer,pipe, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-253-0747 has 1 manufacturer part number on file: 444020 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 2840-00-806-7798. 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.