The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-075-5723, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dressta North America Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-075-5723 |
| Primary Part Number | 64511A |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES FIRST END |
| Measuring Method and Length | 18.375 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM FIRST END IN |
| Flange Thickness | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM SECOND END IN |
| Minimum Inside Bending Radius | 16.500 INCHES IN |
| Connection Style | PLAIN FIRST END |
| Connection Style | PLAIN SECOND END |
| Flange Outside Diameter | 1.250 INCHES NOMINAL SECOND END IN |
| Flange Outside Diameter | 1.250 INCHES NOMINAL FIRST END IN |
| End Connection Design | STRAIGHT SECOND END |
| End Connection Design | ELBOW FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.063 INCHES NOMINAL IN |
| Operating Pressure | 1625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Hydrostatic Test Pressure | 3250.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 6500.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OIL RESISTANT AND OZONE RESISTANT |
| Flange Style | ROUND W/ OUT BOLT HOLES FIRST END |
| Flange Style | ROUND W/ OUT BOLT HOLES SECOND END |
| End Flange Construction | SOLID SECOND END |
| End Flange Construction | SOLID 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 |
|---|---|
| 64511A PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 64511A | 5/9 Secondary reference Komatsu America Corporation |
| D-64511-A | 5/9 Secondary reference Komatsu America Corporation |
NSN 4720-01-075-5723 is a Hose Assembly,nonmetallic, manufactured by Dressta North America Ltd, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-075-5723 has 1 manufacturer part number on file: 64511A (Dressta North America Ltd).
Key specifications for 64511A: Flow Angle: 90.0 DEGREES FIRST END; Measuring Method and Length: 18.375 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM FIRST END 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.