The Tube Assembly,metal, cataloged under National Stock Number 4710-01-398-2103, 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.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-398-2103 |
| Primary Part Number | A55P30122-9 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Welding Metallurgy, Inc. |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | AMS 4071 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| End Connection Style | UNTHREADED EXTERNAL SINGLE END |
| Tube Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 TUBING |
| 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 |
|---|---|
| A55P30122-9 PRIMARY | Welding Metallurgy, Inc. (USA) |
| A55P30122-9 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A55P30122-9 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4710-01-398-2103 is a Tube Assembly,metal, manufactured by Welding Metallurgy, Inc., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-398-2103 has 2 manufacturer part numbers on file: A55P30122-9 (Welding Metallurgy, Inc.), A55P30122-9 (Northrop Grumman Systems Corporation).
Key specifications for A55P30122-9: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: AMS 4071 ASSN STD SINGLE MATERIAL RESPONSE TUBING; Wall Thickness: 0.035 INCHES NOMINAL IN. 7 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.