The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-003-9554, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 28 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-003-9554 |
| Primary Part Number | 998D663G04 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 30.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 4.625 INCHES IN |
| Connection Style | SWIVEL NUT FLARE SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | 2ND LAYER RUBBER IMPREGNATED BRAIDED STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.766 INCHES NOMINAL IN |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Inside Diameter | 0.406 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 4000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 8000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | MILDEW RESISTANT AND OIL RESISTANT |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| 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 |
|---|---|
| 998D663G04 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
NSN 4720-00-003-9554 is a Hose Assembly,nonmetallic, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-003-9554 has 1 manufacturer part number on file: 998D663G04 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 998D663G04: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 30.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 4.625 INCHES IN. 28 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.