The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-620-8322, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-620-8322 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES ALL ENDS |
| Measuring Method and Length | 51.75 INCHES MINIMUM EXCLUDING END FITTINGS AND 52.25 INCHES MAXIMUM EXCLUDING END FITTINGS IN |
| Temp Rating | -55.0 FAHRENHEIT AND 302.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.50 INCHES IN |
| Connection Style | PLAIN OPTIONAL END ALL ENDS |
| Vacuum in Torr | 28.0 |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.470 INCHES NOMINAL IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| 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 |
|---|---|
| 810063-303 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-620-8322 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-620-8322: Flow Angle: 45.0 DEGREES ALL ENDS; Measuring Method and Length: 51.75 INCHES MINIMUM EXCLUDING END FITTINGS AND 52.25 INCHES MAXIMUM EXCLUDING END FITTINGS IN; Temp Rating: -55.0 FAHRENHEIT AND 302.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.50 INCHES IN. 13 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.