The Tube Assembly,metal, cataloged under National Stock Number 4710-01-561-3871, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is W S Darley & Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-561-3871 |
| Primary Part Number | 4225500 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | W S Darley & Co |
| 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 |
|---|---|
| 4225500 PRIMARY | W S Darley & Co (USA) |
| Reference | Meaning |
|---|---|
| DGC2300 | D/9 Drawing number reference only W S Darley & Co |
NSN 4710-01-561-3871 is a Tube Assembly,metal, manufactured by W S Darley & Co, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-561-3871 has 1 manufacturer part number on file: 4225500 (W S Darley & Co).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-561-6941, 6680-01-561-7896. Verify interchangeability with system specifications before substitution.
Key specifications for 4225500: Part Name Assigned by Controlling Agency: TUBE ASSEMBLY, FLUID LEVEL INDICATOR; End Item Identification: 2320-01-528-6294 TRUCK, TANK. 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.