The Tube Assembly,metal, cataloged under National Stock Number 4710-01-306-0449, 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 Welding Metallurgy, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4710-01-306-0449 |
| Primary Part Number | 123P10409-535 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Welding Metallurgy, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123P10409-535 PRIMARY | Welding Metallurgy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 123P10409-535 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123P10409-535 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 4710-01-306-0449 is a Tube Assembly,metal, manufactured by Welding Metallurgy, Inc., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-306-0449 has 1 manufacturer part number on file: 123P10409-535 (Welding Metallurgy, Inc.).
Key specifications for 123P10409-535: End Item Identification: POWER PLANT-NACELLE,EJECTOR SYSTEM,MODEL E2C. 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.
NSN 4710-01-306-0449 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.