The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-238-4303, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-238-4303 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| 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 | 0.020 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT, INVERTED FLARE SECOND END |
| End Connection Style | SWIVEL NUT, INVERTED FLARE FIRST END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 24 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL CORROSION RESISTING TUBING |
| Material | TITANIUM AND STEEL FIRST END |
| Material | TITANIUM AND STEEL SECOND END |
| Thread Series Designator | UNJS 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 |
|---|---|
| A51L92018-434 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51L92018-434 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51L92018-434 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51L92018 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4710-01-238-4303 is a Tube and Fittings,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
Key specifications for 4710-01-238-4303: 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. 22 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.