The Tube Assembly,metal, cataloged under National Stock Number 4710-01-504-5405, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-504-5405 |
| Primary Part Number | 6390939 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 2 SINGLE END |
| Wall Thickness | 0.052 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 1.250 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, GASKET SEAL SINGLE END |
| Tube Outside Diameter | 0.750 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 SINGLE END |
| Material | TITANIUM TUBING |
| Material | TITANIUM SINGLE END |
| Thread Series Designator | UNF SINGLE END |
| 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 |
|---|---|
| 5793295 FIND 217 | Naval Sea Systems Command (USA) |
| 6390939 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 5793295 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6390939 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4710-01-504-5405 is a Tube Assembly,metal, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-504-5405 has 2 manufacturer part numbers on file: 5793295 FIND 217 (Naval Sea Systems Command), 6390939 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 4030-01-505-0095. Verify interchangeability with system specifications before substitution.
Key specifications for 6390939: Design Form: STRAIGHT; Mating End Quantity: 2 SINGLE END; Overall Length: 2.000 INCHES NOMINAL IN; Wall Thickness: 0.052 INCHES NOMINAL IN. 11 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.