The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-439-4958, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-439-4958 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 25.0 FEET NOMINAL EXCLUDING END FITTINGS FT |
| Temp Rating | -25.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | CAM OR LEVER (EXTERNAL) SECOND END |
| Connection Style | CAM OR LEVER (INTERNAL) FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Connection Type | EXTERNAL QUICK DISCONNECT SECOND END |
| Connection Type | INTERNAL QUICK DISCONNECT FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.063 INCHES NOMINAL IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Quick Disconnect Nominal Size | 1.500 INCHES FIRST END IN |
| Quick Disconnect Nominal Size | 1.500 INCHES SECOND END IN |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Burst Test Pressure | 400.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND FUEL RESISTANT AND OIL RESISTANT |
| 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 |
|---|---|
| 140K0021-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 140K0021-1 | 3/2 Design control — primary reference U.S. Government activity |
| 140K0021-1 | 3/9 Design control — primary reference U.S. Government activity |
| 140K021 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-439-4958 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-439-4958: Measuring Method and Length: 25.0 FEET NOMINAL EXCLUDING END FITTINGS FT; Temp Rating: -25.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: CAM OR LEVER (EXTERNAL) SECOND END; Connection Style: CAM OR LEVER (INTERNAL) FIRST END. 17 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.