The Tube Assembly,metal, cataloged under National Stock Number 4710-00-003-6402, 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 Northrop Grumman Systems Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4710-00-003-6402 |
| Primary Part Number | A51H40112-21 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | AMS 4942 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.042 INCHES NOMINAL IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT, FLARED FIRST END |
| End Connection Style | SWIVEL NUT, FLARED SECOND END |
| Tube Outside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Material | TITANIUM UNS R50400 TUBING |
| Material | STEEL CORROSION RESISTING SECOND END |
| Material | STEEL CORROSION RESISTING FIRST END |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | UNS SECOND 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 |
|---|---|
| A51H40112-21 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51H40112-21 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51H40112-21 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4710-00-003-6402 is a Tube Assembly,metal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-003-6402 has 1 manufacturer part number on file: A51H40112-21 (Northrop Grumman Systems Corporation).
Key specifications for A51H40112-21: Seat Angle in Deg: 37.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END. 18 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.