The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-200-2805, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydraflow. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-200-2805 |
| Primary Part Number | 21003-3 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Measuring Method and Length | 20.750 INCHES MINIMUM WORKING AND 21.250 INCHES MAXIMUM WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, NEOPRENE |
| Connection Type | THREADED INTERNAL HOSE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Diameter | 0.190 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | ETHYLENE GLYCOL AND BROMOCHLOROMETHANE SINGLE RESPONSE |
| Burst Test Pressure | 500.0 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 |
|---|---|
| 21003-3 PRIMARY | Hydraflow (USA) |
| 5336351-003 | Raytheon Company (USA) |
| 6505-0210 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 5336351 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5336351-003 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 4720PL0964163 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 55043-003 | 5/9 Secondary reference Hydraflow |
NSN 4720-01-200-2805 is a Hose Assembly,nonmetallic, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-200-2805 has 3 manufacturer part numbers on file: 21003-3 (Hydraflow), 5336351-003 (Raytheon Company), 6505-0210 (Transdigm Inc Div Adelwiggins Group).
4 possible matches (shared part number, not a government interchangeability claim): 4720-01-200-2806, 4720-01-200-2814, 4720-01-205-0508. Verify interchangeability with system specifications before substitution.
Key specifications for 21003-3: Measuring Method and Length: 20.750 INCHES MINIMUM WORKING AND 21.250 INCHES MAXIMUM WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Layer Composition and Location: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, NEOPRENE; Connection Type: THREADED INTERNAL HOSE FIRST 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.