The Button,spring,pressure Regulatin, cataloged under National Stock Number 4820-00-489-2469, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Imi Cash Valve Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-489-2469 |
| Primary Part Number | 226 |
| Item Name | Button,spring,pressure Regulatin |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,RD SHAPE,CONCAVED ONE SIDE FOR ADJUSTING SCREW,STEPPED OTHER SIDE FOR SPRING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-00-489-2469 is a Button,spring,pressure Regulatin, manufactured by Imi Cash Valve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-489-2469 has 3 manufacturer part numbers on file: 189569 (Striegel Supply, Inc. Dba Striegel Supply Inc), 226 (Imi Cash Valve Inc), 1H9569 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 4910-00-977-7489. Verify interchangeability with system specifications before substitution.
Key specifications for 226: General Characteristics Item Description: STAINLESS STEEL,RD SHAPE,CONCAVED ONE SIDE FOR ADJUSTING SCREW,STEPPED OTHER SIDE FOR SPRING. 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.