The Tube Assembly,metal, cataloged under National Stock Number 4710-01-231-3105, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-231-3105 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 FIRST END |
| Seat Angle in Deg | 37.0 SECOND END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | TI-3AL-2.5V ASSN STD SINGLE MATERIAL RESPONSE TUBING V |
| Wall Thickness | 0.054 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| End Connection Style | SWIVEL NUT, GASKET SEAL SECOND END |
| End Connection Style | SWIVEL NUT, GASKET SEAL FIRST END |
| Tube Outside Diameter | 0.750 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Material | TITANIUM SECOND END |
| Material | TITANIUM FIRST END |
| Material | TITANIUM ALLOY TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | UNJS FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A51L21015-406TC1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51L21015 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| A51L21015-406TC1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51L21015-406TC1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51L21015-406 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51L21015-355 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51L21015-406P12 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4710-01-231-3105 is a Tube Assembly,metal, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4710-01-241-0116, 4710-01-259-8214, 4710-01-283-0148. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-231-3105: Seat Angle in Deg: 37.0 FIRST END; Seat Angle in Deg: 37.0 SECOND END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END. 21 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.