The Tube Assembly,metal, cataloged under National Stock Number 4710-01-657-5951, 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 Echelon Supply and Service, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-657-5951 |
| Primary Part Number | 518309-17 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Echelon Supply and Service, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 518309-17 | Echelon Supply and Service, Inc. (USA) |
| 518309-17 | Cannew International Llc (USA) |
| 518309-17 | Dash Engineering Inc Dba D E I (USA) |
| 518309-17 | One-Way Manufacturing Inc. Dba One Way Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 518309 | D/9 Drawing number reference only U.S. Government activity |
| 518309-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4710-01-657-5951 is a Tube Assembly,metal, manufactured by Echelon Supply and Service, Inc., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-657-5951 has 4 manufacturer part numbers on file: 518309-17 (Echelon Supply and Service, Inc.), 518309-17 (Cannew International Llc), 518309-17 (Dash Engineering Inc Dba D E I), 518309-17 (One-Way Manufacturing Inc. Dba One Way Manufacturing).
Key specifications for 518309-17: Part Name Assigned by Controlling Agency: TUBE 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.