The Tube Assembly,metal, cataloged under National Stock Number 4710-01-270-2476, 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 Mil-Craft Mfg., Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-270-2476 |
| Primary Part Number | S6165-20531-007 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Mil-Craft Mfg., Inc. |
| Status | ACTIVE |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 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 |
|---|---|
| S6165-20531-007 PRIMARY | Mil-Craft Mfg., Inc. (USA) |
| S6165-20531-007 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6165-20531-007 PRIMARY | United Metal Fabricators, Inc. (USA) |
| S6165-20531-007 PRIMARY | Aircraft Tubular Components Inc (USA) |
| Reference | Meaning |
|---|---|
| S6165-20531-007 | 5/9 Secondary reference Liberty Aero Inc |
| S6165-20531-7 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| S6165-20531 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4710-01-270-2476 is a Tube Assembly,metal, manufactured by Mil-Craft Mfg., Inc., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-270-2476 has 4 manufacturer part numbers on file: S6165-20531-007 (Mil-Craft Mfg., Inc.), S6165-20531-007 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6165-20531-007 (United Metal Fabricators, Inc.), S6165-20531-007 (Aircraft Tubular Components Inc).
Key specifications for S6165-20531-007: Tube Outside Diameter: 0.250 INCHES NOMINAL IN; Special Features: PREBENT WITH FITTINGS, PASSIVATION AND PRIMER ARE STILL REQUIRED; End Item Identification: SH-3 HELICOPTER; Material: ALUMINUM ALLOY 5052 SINGLE END. 2 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.