The Tube Assembly,metal, cataloged under National Stock Number 4710-01-031-3644, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-031-3644 |
| Primary Part Number | A51P30536-3 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Bolt Hole Diameter | 4.770 INCHES NOMINAL SINGLE END IN |
| Wall Thickness | 0.090 INCHES NOMINAL IN |
| End Connection Style | PLAIN SECOND END |
| End Connection Style | UNTHREADED EXTERNAL FIRST END |
| Tube Outside Diameter | 4.092 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 SINGLE END |
| Bolt Circle Diameter | 0.015 INCHES NOMINAL SINGLE END IN |
| Material | ALUMINUM ALLOY TUBING |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| A51P30536-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51P30536-3 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51P30536-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4710-01-031-3644 is a Tube Assembly,metal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-031-3644 has 1 manufacturer part number on file: A51P30536-3 (Northrop Grumman Systems Corporation).
Key specifications for A51P30536-3: Design Form: STRAIGHT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Bolt Hole Diameter: 4.770 INCHES NOMINAL SINGLE END 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.