The Valve Assembly, cataloged under National Stock Number 4820-01-296-1768, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vickers S Y S Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Vickers S Y S Inc (CAGE 16452) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-296-1768 |
| Primary Part Number | CM11ND2R0DDDL521201 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vickers S Y S Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 5R4507 ITEM 2 | Caterpillar Inc Div Caterpillar Defense (USA) |
| CM11ND2R0DDDL521201 PRIMARY | Vickers S Y S Inc (CAN) |
| Reference | Meaning |
|---|---|
| 5R4507 | D/9 Drawing number reference only Caterpillar Inc Div Caterpillar Defense |
NSN 4820-01-296-1768 is a Valve Assembly, manufactured by Vickers S Y S Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-296-1768 has 2 manufacturer part numbers on file: 5R4507 ITEM 2 (Caterpillar Inc Div Caterpillar Defense), CM11ND2R0DDDL521201 (Vickers S Y S Inc).
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.