The Hose,nonmetallic, cataloged under National Stock Number 4720-01-642-3301, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 9 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 | 4720-01-642-3301 |
| Primary Part Number | 503-2521 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 2.0 MILLIMETERS NOMINAL OVERALL MM |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.938 INCHES NOMINAL IN |
| Exterior Color | BLACK |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | RUBBER SYNTHETIC TUBE |
| Inner Conveying Tube Style | PLAIN |
| 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 |
|---|---|
| 503-2521 PRIMARY | Cummins Power Generation Inc. (USA) |
NSN 4720-01-642-3301 is a Hose,nonmetallic, manufactured by Cummins Power Generation Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-642-3301 has 1 manufacturer part number on file: 503-2521 (Cummins Power Generation Inc.).
Key specifications for 503-2521: Measuring Method and Length: 2.0 MILLIMETERS NOMINAL OVERALL MM; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.938 INCHES NOMINAL IN; Exterior Color: BLACK. 9 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.