The Tube Assembly,metal, cataloged under National Stock Number 4710-01-172-5231, 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. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-172-5231 |
| Primary Part Number | 7-311642523 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Seat Angle in Deg | 12.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | MIL-T-7081, ALLOY 6061, T6 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Material Document and Classification | MIL-T-7081, T6 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE END |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.500 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END |
| Tube Outside Diameter | 0.500 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END |
| Material | ALUMINUM ALLOY 6061 SINGLE END |
| Material | ALUMINUM ALLOY 6061 TUBING |
| Thread Series Designator | UN-16 SINGLE END |
| End Connection Spec/std | MIL MS21821 PART NO.MS21821-8D AND MIL MS21922 PART NO.MS21922-8 |
| 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 |
|---|---|
| 7-311642523 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311642523 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 4710-01-172-5231 is a Tube Assembly,metal, manufactured by The Boeing Company, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-172-5231 has 1 manufacturer part number on file: 7-311642523 (The Boeing Company).
Key specifications for 7-311642523: Seat Angle in Deg: 12.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: MIL-T-7081, ALLOY 6061, T6 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 15 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 4710-01-172-5231 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.