The Tube Assembly,metal, cataloged under National Stock Number 4710-01-326-7267, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-326-7267 |
| Primary Part Number | 7-311830306-9 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Thread Pitch in Millimeters | 1.41 SINGLE END |
| Thread Pitch Diameters | +0.526 TO 0.531 INCHES SINGLE END IN |
| Wall Thickness | 0.020 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.563 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, FLARE SINGLE END |
| Tube Outside Diameter | 0.375 INCHES NOMINAL IN |
| Seat Radius | 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM SINGLE END IN |
| Thread Class | 3B SINGLE END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-311830306-9 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311830306-9 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-311830306-9 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 4710-01-326-7267 is a Tube Assembly,metal, manufactured by The Boeing Company, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-326-7267 has 1 manufacturer part number on file: 7-311830306-9 (The Boeing Company).
Key specifications for 7-311830306-9: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Thread Pitch in Millimeters: 1.41 SINGLE END; Thread Pitch Diameters: +0.526 TO 0.531 INCHES SINGLE END IN. 13 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 4710-01-326-7267 has DEMIL Code Q. 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.