The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-449-4386, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-449-4386 |
| Primary Part Number | ATI520CH |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| Status | ACTIVE |
| Measuring Method and Length | 7.000 INCHES NOMINAL OVERALL IN |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| ATI520CH PRIMARY | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| Reference | Meaning |
|---|---|
| AT520CH | 3/9 Design control — primary reference Snap-on Incorporated Dba Snap-on Tools Div Snap-on Industrial, Special Products Division |
NSN 4720-00-449-4386 is a Hose Assembly,nonmetallic, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-449-4386 has 1 manufacturer part number on file: ATI520CH (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
Key specifications for ATI520CH: Measuring Method and Length: 7.000 INCHES NOMINAL OVERALL IN; Outside Diameter: 0.625 INCHES NOMINAL IN; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS; Inside Diameter: 0.375 INCHES NOMINAL IN. 4 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.