The Tube Assembly,metal, cataloged under National Stock Number 4710-01-545-4776, 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 Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4710-01-545-4776 |
| Primary Part Number | 74A837159-1003 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 1 ALL ENDS |
| Material Document and Classification | MIL-T-7081, ALLOY 6061 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| End Connection Style | FLARE ALL ENDS |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 TUBING |
| 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 |
|---|---|
| 74A837159-1003 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A837159-1003 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A837159-1003 | 5/9 Secondary reference The Boeing Company Div Defense |
| 10313087 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4710-01-545-4776 is a Tube Assembly,metal, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-545-4776 has 2 manufacturer part numbers on file: 74A837159-1003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A837159-1003 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).
Key specifications for 74A837159-1003: Design Form: STRAIGHT; Mating End Quantity: 1 ALL ENDS; Material Document and Classification: MIL-T-7081, ALLOY 6061 MIL SPEC SINGLE MATERIAL RESPONSE TUBING; Overall Length: 11.100 INCHES NOMINAL IN. 7 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.