The Hose,nonmetallic, cataloged under National Stock Number 4720-00-540-1979, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-540-1979 |
| Primary Part Number | 1540-20 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED FABRIC |
| Exterior Color | RED |
| Material | RUBBER SYNTHETIC TUBE |
| Hydrostatic Test Pressure | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Nondefinitive Spec/std Data | 20 SIZE |
| Inside Surface Condition | SMOOTH |
| Specification/standard Data | 81343-SAE J51,TYPE B PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Vacuum in Torr | 50.8 |
| Outer Covering Environmental Protection | OIL RESISTANT |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | REFRIGERANT 12 AND REFRIGERANT 13 SINGLE RESPONSE |
| Temp Rating | -15.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 1.125 INCHES NOMINAL IN |
| Burst Test Pressure | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Minimum Inside Bending Radius | 9.000 INCHES IN |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H36920 | Dana Corp Weatherhead Div (USA) |
| 1540-20 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| J51 TYPE B | Sae International Dba Sae International (USA) |
| 241-20 | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 258-20 | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| J51 TYPE B | Society of Automotive Engineers Inc (USA) |
NSN 4720-00-540-1979 is a Hose,nonmetallic, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-540-1979 has 6 cross-referenced part numbers: H36920 (Dana Corp Weatherhead Div), 1540-20 (Danfoss Power Solutions II, Llc), J51 TYPE B (Sae International Dba Sae International), 241-20 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 258-20 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 1 more.
There are 12 known substitutes for 4720-00-540-1979: 3110-00-100-0550, 5133-00-189-9278, 4520-00-350-9184 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1540-20: Layer Composition and Location: 1ST LAYER BRAIDED STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED FABRIC; Exterior Color: RED; Material: RUBBER SYNTHETIC TUBE; Hydrostatic Test Pressure: 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. 17 total characteristics are documented in the Federal Logistics Information System.