The Hose,preformed, cataloged under National Stock Number 4720-00-460-5189, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Gates Corporation. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-460-5189 |
| Primary Part Number | CH521 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Outer Radius | 1.000 INCHES NOMINAL IN |
| Style Designator | TWO BENDS" |
| Wall Thickness | 0.202 INCHES NOMINAL IN |
| Inside Diameter | 0.597 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Material | RUBBER CHLOROPRENE CLASS CR COVER |
| Bend Radius | 1.000 INCHES NOMINAL IN |
| Second Arm Length | 0.470 INCHES NOMINAL IN |
| Working Length | 1.940 INCHES NOMINAL IN |
| First Arm Length | 0.470 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 |
|---|---|
| 1241054 | General Motors Llc Dba General Motors Llc (USA) |
| CH521 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1241054 | 5/9 Secondary reference General Motors Corp Buick Motor Div |
| 70619 | 5/9 Secondary reference Dayco Products Llc |
| 1394302 | 5/9 Secondary reference General Motors Corp Buick Motor Div |
| CH619 | 5/9 Secondary reference U.S. Government activity |
| 1394302 | 5/9 Secondary reference Am General Llc |
| 1394302 | 5/9 Secondary reference U.S. Government activity |
| 1241054 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 4720-00-460-5189 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-460-5189 has 2 manufacturer part numbers on file: 1241054 (General Motors Llc Dba General Motors Llc), CH521 (Gates Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-069-3816, 6150-01-626-1869. Verify interchangeability with system specifications before substitution.
Key specifications for CH521: Outer Radius: 1.000 INCHES NOMINAL IN; Style Designator: TWO BENDS"; Wall Thickness: 0.202 INCHES NOMINAL IN; Inside Diameter: 0.597 INCHES NOMINAL 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.