The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-490-9990, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-490-9990 |
| Primary Part Number | 70-009G000Y164A |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 16.500 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 6000.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70-009G000Y164A | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| 70-009G000Y164A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-490-9990 is a Hose Assembly,nonmetallic, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-490-9990 has 1 manufacturer part number on file: 70-009G000Y164A (Leonardo Spa Helicopters Division - Production Site).
Key specifications for 70-009G000Y164A: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 16.500 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; End Connection Design: ELBOW SECOND END. 11 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.