The Tube Assembly,metal, cataloged under National Stock Number 4710-00-620-2340, 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 Bae Systems (operations) Limited. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4710-00-620-2340 |
| Primary Part Number | C291589-52 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SINGLE END37.0 SINGLE END |
| Design Form | PREBENTPREBENT |
| Mating End Quantity | 2 SINGLE END2 SINGLE END |
| Wall Thickness | 0.028 INCHES NOMINAL0.028 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE ENDRIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.438 INCHES SINGLE END0.438 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, INVERTED FLARE SINGLE ENDSWIVEL NUT, INVERTED FLARE SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END3B SINGLE END |
| Material | STEEL TUBINGSTEEL TUBING |
| Material | STEEL SINGLE ENDSTEEL SINGLE END |
| Thread Series Designator | UNF SINGLE ENDUNF 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 |
|---|---|
| C291589-52 | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| C291589-52 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 4710-00-620-2340 is a Tube Assembly,metal, manufactured by Bae Systems (operations) Limited, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-620-2340 has 1 manufacturer part number on file: C291589-52 (Bae Systems (operations) Limited).
Key specifications for C291589-52: Seat Angle in Deg: 37.0 SINGLE END37.0 SINGLE END; Design Form: PREBENTPREBENT; Mating End Quantity: 2 SINGLE END2 SINGLE END; Wall Thickness: 0.028 INCHES NOMINAL0.028 INCHES NOMINAL IN. 12 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.