The Hose,preformed, cataloged under National Stock Number 4720-00-779-4975, 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 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4720-00-779-4975 |
| Primary Part Number | CH563 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gates Corporation |
| Status | CANCELLED |
| Style Designator | SINGLE BEND |
| Wall Thickness | 0.200 INCHES NOMINAL IN |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC COVER |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 2.000 INCHES NOMINAL IN |
| Second Arm Length | 1.500 INCHES NOMINAL IN |
| Working Length | 3.000 INCHES NOMINAL IN |
| First Arm Length | 1.000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CH563 PRIMARY | Gates Corporation (USA) |
| 20563 | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3861926 | E/8 Replaced / superseded reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 145180 | E/8 Replaced / superseded reference Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| 3861926 | E/8 Replaced / superseded reference General Motors Llc Dba General Motors Llc |
| 145180 | E/8 Replaced / superseded reference Hyster-Yale Group, Inc. |
| 3861926 | E/8 Replaced / superseded reference General Motors Corp |
| 1535937 | 5/9 Secondary reference Hobart Bros Co |
NSN 4720-00-779-4975 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: cancelled.
NSN 4720-00-779-4975 has 2 manufacturer part numbers on file: CH563 (Gates Corporation), 20563 (Gates Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 5360-01-080-0605, 5360-01-131-7078, 5315-01-229-5485. Verify interchangeability with system specifications before substitution.
Key specifications for CH563: Style Designator: SINGLE BEND; Wall Thickness: 0.200 INCHES NOMINAL IN; Inside Diameter: 1.250 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC COVER. 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.
NSN 4720-00-779-4975 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.