The Hose,nonmetallic, cataloged under National Stock Number 4720-01-075-5724, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Komatsu America Corporation. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-075-5724 |
| Primary Part Number | 57689-A |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Komatsu America Corporation |
| Status | ACTIVE |
| Measuring Method and Length | 16.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 10.000 INCHES IN |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER SPIRALLY LAID STEEL WIRE AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Specification/standard Data | 81343-SAE J517 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Burst Test Pressure | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Outer Covering Environmental Protection | OIL RESISTANT AND OZONE RESISTANT AND WEATHERPROOF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 57689-A PRIMARY | Komatsu America Corporation (USA) |
| Reference | Meaning |
|---|---|
| D57689-A | 5/9 Secondary reference Komatsu America Corporation |
| SAE100R4-24 | 5/1 Secondary reference U.S. Government activity |
NSN 4720-01-075-5724 is a Hose,nonmetallic, manufactured by Komatsu America Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-075-5724 has 1 manufacturer part number on file: 57689-A (Komatsu America Corporation).
Key specifications for 57689-A: Measuring Method and Length: 16.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 10.000 INCHES IN; Layer Composition and Location: 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER SPIRALLY LAID STEEL WIRE AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE. 14 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.