The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-486-4275, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-486-4275 |
| Primary Part Number | LE271-0045-0284 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES FIRST END |
| Flow Angle | 108.0 DEGREES SECOND END |
| Measuring Method and Length | 18.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 265.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.675 INCHES NOMINAL FIRST END IN |
| Flange Thickness | 0.675 INCHES NOMINAL SECOND END IN |
| Minimum Inside Bending Radius | 4.500 INCHES IN |
| Flange Outside Diameter | 1.743 INCHES NOMINAL FIRST END IN |
| Flange Outside Diameter | 1.743 INCHES NOMINAL SECOND END IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | ELBOW FIRST END |
| Vacuum in Torr | 20.0 |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Bolt Hole Diameter | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM FIRST END IN |
| Bolt Hole Diameter | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM SECOND END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.250 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN |
| Operating Pressure | 190.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| Inside Diameter | 1.026 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Bolt Hole Quantity | 5 SECOND END |
| Bolt Hole Quantity | 5 FIRST END |
| Bolt Circle Diameter | 1.230 INCHES NOMINAL FIRST END IN |
| Bolt Circle Diameter | 1.230 INCHES NOMINAL SECOND END IN |
| Hydrostatic Test Pressure | 285.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| LE271-0045-0284 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| 106459-0284 | The Boeing Company Div Legacy Am&m (USA) |
| AE706417-0284 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| LE271-0045 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| 106459-0284 | 3/9 Design control — primary reference Smiths Tubular Systems-Laconia, Inc. |
NSN 4720-01-486-4275 is a Hose Assembly,nonmetallic, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-486-4275 has 3 manufacturer part numbers on file: LE271-0045-0284 (The Boeing Company Div Legacy Am&m), 106459-0284 (The Boeing Company Div Legacy Am&m), AE706417-0284 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for LE271-0045-0284: Flow Angle: 90.0 DEGREES FIRST END; Flow Angle: 108.0 DEGREES SECOND END; Measuring Method and Length: 18.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 265.0 FAHRENHEIT SINGLE RESPONSE DEGF. 28 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.