The Tube Assembly,metal, cataloged under National Stock Number 4710-01-239-2195, 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 Northrop Grumman Systems Corporation. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-239-2195 |
| Primary Part Number | A51L21100-78B6 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Design Form | PREBENT |
| Material Document and Classification | TI-3AL-2.5V ASSN STD SINGLE MATERIAL RESPONSE TUBING V |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| Tube Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material | TITANIUM ALLOY TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51L21100-78B6 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51L21100-78B6 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51L21100 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| A51L21100-78B6 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4710-01-239-2195 is a Tube Assembly,metal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-239-2195 has 1 manufacturer part number on file: A51L21100-78B6 (Northrop Grumman Systems Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 4710-01-259-1670, 4710-01-259-1671, 4710-01-259-1672. Verify interchangeability with system specifications before substitution.
Key specifications for A51L21100-78B6: Design Form: PREBENT; Material Document and Classification: TI-3AL-2.5V ASSN STD SINGLE MATERIAL RESPONSE TUBING V; Wall Thickness: 0.028 INCHES NOMINAL IN; Tube Outside Diameter: 0.375 INCHES NOMINAL IN. 5 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 4710-01-239-2195 has DEMIL Code B. 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.