The Tube Assembly,metal, cataloged under National Stock Number 4710-01-129-7986, 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 The Boeing Company Div Defense. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-129-7986 |
| Primary Part Number | 74A695639-1005 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Seat Angle in Deg | 8.5 FIRST END |
| Seat Angle in Deg | 8.5 SECOND END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT, FLARE FIRST END |
| End Connection Style | SWIVEL NUT, FLARE SECOND END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Material | TITANIUM SECOND END |
| Material | TITANIUM FIRST END |
| Material | TITANIUM TUBING |
| Thread Series Designator | UNEF SECOND END |
| Thread Series Designator | NPT 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 |
| Part Number | Manufacturer |
|---|---|
| 74A695639-1005 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A695639-1005 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 10110775 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A695639 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4710-01-129-7986 is a Tube Assembly,metal, manufactured by The Boeing Company Div Defense, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-129-7986 has 2 manufacturer part numbers on file: 74A695639-1005 (The Boeing Company Div Defense), 74A695639-1005 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 74A695639-1005: Seat Angle in Deg: 8.5 FIRST END; Seat Angle in Deg: 8.5 SECOND END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END. 20 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.