The Reducer,tube, cataloged under National Stock Number 4730-01-561-6941, 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 W S Darley & Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-561-6941 |
| Primary Part Number | 3501568 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | W S Darley & Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.380 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 3501568 PRIMARY | W S Darley & Co (USA) |
| Reference | Meaning |
|---|---|
| DGC2300 | 3/1 Design control — primary reference W S Darley & Co |
NSN 4730-01-561-6941 is a Reducer,tube, manufactured by W S Darley & Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-561-6941 has 1 manufacturer part number on file: 3501568 (W S Darley & Co).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-561-7896. Verify interchangeability with system specifications before substitution.
Key specifications for 3501568: Nominal Pipe Size Accommodated: 0.380 INCHES ALL ENDS IN; End Item Identification: 2320-01-528-6294, MOBILE WATER TANK/TACTICAL FIRE FIGHTING TRUCK. 1 specification is 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.