The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-522-7445, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-522-7445 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES SECOND END |
| Measuring Method and Length | 10.540 INCHES MINIMUM WORKING AND 10.660 INCHES MAXIMUM WORKING IN |
| Flange Thickness | 0.297 INCHES NOMINAL FIRST END IN |
| Flange Thickness | 0.297 INCHES NOMINAL SECOND END IN |
| Connection Style | PLAIN FIRST END |
| Connection Style | PLAIN SECOND END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Bolt Hole Diameter | 0.212 INCHES MINIMUM AND 0.218 INCHES MAXIMUM FIRST END IN |
| Bolt Hole Diameter | 0.212 INCHES MINIMUM AND 0.218 INCHES MAXIMUM SECOND END IN |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 1040.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Bolt Hole Quantity | 4 SECOND END |
| Bolt Hole Quantity | 4 FIRST END |
| Outer Covering Environmental Protection | FIRE RESISTANT |
| Flange Style | RECTANGULAR (INCLUDES SQUARE) FIRST END |
| Flange Style | RECTANGULAR (INCLUDES SQUARE) SECOND END |
| End Flange Construction | SOLID SECOND END |
| End Flange Construction | SOLID FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4923T66P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-522-7445 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-522-7445: Flow Angle: 45.0 DEGREES SECOND END; Measuring Method and Length: 10.540 INCHES MINIMUM WORKING AND 10.660 INCHES MAXIMUM WORKING IN; Flange Thickness: 0.297 INCHES NOMINAL FIRST END IN; Flange Thickness: 0.297 INCHES NOMINAL SECOND END IN. 24 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.