The Plate,cast Iron, cataloged under National Stock Number 4820-00-224-7482, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-224-7482 |
| Primary Part Number | 1H9572 |
| Item Name | Plate,cast Iron |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,3.500 IN OUTSIDE DIAMETER,RAISED CENTER 0.475 IN HIGH,HAS TAPERED HOLE-0.600 MAJOR DIA-0.400 MINOR DIA-0.275 DEEP 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 |
|---|---|
| 189572 | Striegel Supply, Inc. Dba Striegel Supply Inc (USA) |
| 1H9572 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 189572 | C/1 Advisory reference — outside the item-of-supply concept Schoonmaker Service Parts Co Inc |
NSN 4820-00-224-7482 is a Plate,cast Iron, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-224-7482 has 2 manufacturer part numbers on file: 189572 (Striegel Supply, Inc. Dba Striegel Supply Inc), 1H9572 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1H9572: General Characteristics Item Description: CAST IRON,3.500 IN OUTSIDE DIAMETER,RAISED CENTER 0.475 IN HIGH,HAS TAPERED HOLE-0.600 MAJOR DIA-0.400 MINOR DIA-0.275 DEEP IN. 1 specification is 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.