The Hose,nonmetallic, cataloged under National Stock Number 4720-00-540-2779, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-540-2779 |
| Primary Part Number | 1540-24 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 10.500 INCHES IN |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Exterior Color | RED |
| Specification/standard Data | 81343-SAEJ51 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | B TYPE AND 24 SIZE |
| Inside Diameter | 1.380 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | REFRIGERANT 12 SINGLE RESPONSE |
| Hydrostatic Test Pressure | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Burst Test Pressure | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Material | RUBBER SYNTHETIC TUBE |
| 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 |
|---|---|
| 4258-24 | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| 1540-24 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 241-24 | 5/9 Secondary reference U.S. Government activity |
| 1540-24 | 5/9 Secondary reference U.S. Government activity |
| 258-24 | 5/9 Secondary reference U.S. Government activity |
| 244-24 | 5/2 Secondary reference U.S. Government activity |
| 241-24 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-540-2779 is a Hose,nonmetallic, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-540-2779 has 2 manufacturer part numbers on file: 4258-24 (Mid-State Sales, Inc. Div Defense Products Group), 1540-24 (Danfoss Power Solutions II, Llc).
9 possible matches (shared part number, not a government interchangeability claim): 5950-00-791-3673, 4730-00-842-9165, 5330-00-896-6951. Verify interchangeability with system specifications before substitution.
Key specifications for 1540-24: Temp Rating: -15.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 10.500 INCHES IN; Vacuum in Torr: 50.8; Layer Composition and Location: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD. 16 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.