The Reducer,pipe, cataloged under National Stock Number 4730-01-654-2517, 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 The Entwistle Company Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-654-2517 |
| Primary Part Number | 0418C03-0308-07 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Entwistle Company 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 |
|---|---|
| 0418C03-0308-07 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 0418C03-0308 | D/9 Drawing number reference only The Entwistle Company Llc |
NSN 4730-01-654-2517 is a Reducer,pipe, manufactured by The Entwistle Company Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-654-2517 has 1 manufacturer part number on file: 0418C03-0308-07 (The Entwistle Company Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-654-6311, 4730-01-654-6324. Verify interchangeability with system specifications before substitution.
Key specifications for 0418C03-0308-07: Part Name Assigned by Controlling Agency: REDUCER FEM PIPE X MALE PIPE; End Item Identification: R18 FLP ASSEMBLY. 0 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.