The Hose,preformed, cataloged under National Stock Number 4720-00-064-4498, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Brp Us Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-064-4498 |
| Primary Part Number | 305645 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Outer Radius | 1.234 INCHES NOMINAL IN |
| FSC Application Data | ENGINE COOLING SYSTEM,NONAIRCRAFT |
| Style Designator | TWO BENDS" |
| Wall Thickness | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Inside Diameter | 0.625 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 1.234 INCHES NOMINAL IN |
| Second Arm Length | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Working Length | 1.813 INCHES NOMINAL IN |
| First Arm Length | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM 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 |
|---|---|
| 305645 PRIMARY | Brp Us Inc (USA) |
| 0305645 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 305645 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 0305645 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 305645 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 0305645 | 5/9 Secondary reference U.S. Government activity |
| 305645 | 5/9 Secondary reference U.S. Government activity |
| 0305645 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
NSN 4720-00-064-4498 is a Hose,preformed, manufactured by Brp Us Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-064-4498 has 2 manufacturer part numbers on file: 305645 (Brp Us Inc), 0305645 (Brp Us Inc).
Key specifications for 305645: Outer Radius: 1.234 INCHES NOMINAL IN; FSC Application Data: ENGINE COOLING SYSTEM,NONAIRCRAFT; Style Designator: TWO BENDS"; Wall Thickness: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN. 10 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.