The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-180-9523, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-180-9523 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 8.510 INCHES NOMINAL WORKING IN |
| Temp Rating | 750.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | SWIVEL NUT, FLARELESS FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.890 INCHES NOMINAL IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | IDENTICAL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Inside Diameter | 0.625 INCHES NOMINAL IN |
| Hydrostatic Test Pressure | 560.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Inner Conveying Tube Style | ANNULAR OPEN-PITCH CORRUGATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10-60110-21 | 3/2 Design control — primary reference U.S. Government activity |
| 13506-21 | 3/2 Design control — primary reference U.S. Government activity |
| 13506-21 | 5/9 Secondary reference Senior Flexonics Inc |
NSN 4720-01-180-9523 is a Hose Assembly,metallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-180-9523: Measuring Method and Length: 8.510 INCHES NOMINAL WORKING IN; Temp Rating: 750.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: SWIVEL NUT, FLARELESS FIRST END; End Connection Design: STRAIGHT FIRST END. 18 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.
NSN 4720-01-180-9523 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.