The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-920-2028, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 30 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-920-2028 |
| Primary Part Number | 3S2505 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Flow Angle | 50.0 DEGREES FIRST END |
| Measuring Method and Length | 13.188 INCHES NOMINAL WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.323 INCHES NOMINAL FIRST END IN |
| Flange Thickness | 0.323 INCHES NOMINAL SECOND END IN |
| Minimum Inside Bending Radius | 5.000 INCHES IN |
| Connection Style | PLAIN W/ GASKET GROOVE (SAE FLANGED HEAD) SECOND END |
| Connection Style | PLAIN W/ GASKET GROOVE (SAE FLANGED HEAD) FIRST END |
| Flange Outside Diameter | 2.000 INCHES NOMINAL SECOND END IN |
| Flange Outside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | ELBOW FIRST END |
| Vacuum in Torr | 127.0 |
| Layer Composition and Location | 1ST LAYER BRAIDED RAYON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Angle Between Rigid Elbow Fittings in Deg | 180.0 |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.375 INCHES MAXIMUM IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| Exterior Color | BLACK |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 600.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 1200.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OIL RESISTANT AND WEATHERPROOF |
| Flange Style | ROUND W/ OUT BOLT HOLES 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 |
|---|---|
| 3S2505 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4720-00-920-2028 is a Hose Assembly,nonmetallic, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-920-2028 has 1 manufacturer part number on file: 3S2505 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 3S2505: Flow Angle: 90.0 DEGREES SECOND END; Flow Angle: 50.0 DEGREES FIRST END; Measuring Method and Length: 13.188 INCHES NOMINAL WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF. 30 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.