21A18-04C21-4: HOSE,AIR DUCT.
The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS ALL PLIES, inside_length: 3.125 INCHES NOMINAL FIRST END IN, wall_thickness: 0.060 INCHES NOMINAL IN, connection_type: SOFT BOTH ENDS, inside_diameter: 1.000 INCHES NOMINAL FIRST END IN, connection_style: RECTANGULAR BOTH ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4720-01-462-1822, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | FIBERGLASS ALL PLIES |
| inside_length | 3.125 INCHES NOMINAL FIRST END IN |
| wall_thickness | 0.060 INCHES NOMINAL IN |
| connection_type | SOFT BOTH ENDS |
| inside_diameter | 1.000 INCHES NOMINAL FIRST END IN |
| connection_style | RECTANGULAR BOTH ENDS |
| style_designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| end_overall_length | 1.000 INCHES NOMINAL BOTH ENDS IN |
| operating_pressure | 65.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| end_inside_diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| end_item_identification | AIRCRAFT,B1B |
| cross-sectional_shape_style | ROUND |
| NSN | 4720-01-462-1822 |
| MEASURING METHOD AND LENGTH | 4.025 INCHES NOMINAL OVERALL IN |
| INSIDE LENGTH | 3.125 INCHES NOMINAL FIRST END IN |
| CONNECTION STYLE | RECTANGULAR BOTH ENDS |
| CONNECTION TYPE | SOFT BOTH ENDS |
| STYLE DESIGNATOR | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| CROSS-SECTIONAL SHAPE STYLE | ROUND |
| WALL THICKNESS | 0.060 INCHES NOMINAL IN |
| OPERATING PRESSURE | 65.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| INSIDE DIAMETER | 1.000 INCHES NOMINAL FIRST END IN |
| END OVERALL LENGTH | 1.000 INCHES NOMINAL BOTH ENDS IN |