The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-558-8371, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-558-8371 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES ALL ENDS |
| Measuring Method and Length | 22.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 450.00 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | INVERTED FLARE ALL ENDS |
| Seat Nominal Radius | 0.63 INCHES ALL ENDS IN |
| End Connection Design | ELBOW ALL ENDS |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE OR OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Angle Between Rigid Elbow Fittings in Deg | 208.0 |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.700 INCHES ALL ENDS IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.700 INCHES MAXIMUM IN |
| Operating Pressure | 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Inside Diameter | 0.391 INCHES MINIMUM IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Class | 3B ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Inner Conveying Tube Style | PLAIN |
| 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 |
|---|---|
| 101115E0220C208 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-558-8371 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-558-8371: Flow Angle: 90.0 DEGREES ALL ENDS; Measuring Method and Length: 22.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 450.00 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.000 INCHES IN. 23 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.