The Flushing Block,hydraulic System, cataloged under National Stock Number 4820-01-247-4760, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Flushing Block,hydraulic System |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-247-4760 |
| Primary Part Number | 3189340 |
| Item Name | Flushing Block,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3189340 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 552-5588539 F-22 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 552-5588539 ITEM F-22 | 5/9 Secondary reference Naval Sea Systems Command |
| 552-5588539 | D/9 Drawing number reference only Naval Sea Systems Command |
| 3189340 HP-25 | 5/9 Secondary reference Allied-Signal Inc Allied-Signal Aerospace Co Bendix West Coast Support Opns |
| 3189340 | D/9 Drawing number reference only Allied-Signal Inc Allied-Signal Aerospace Co Bendix West Coast Support Opns |
| 552-5588539 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4820-01-247-4760 is a Flushing Block,hydraulic System, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-247-4760 has 1 manufacturer part number on file: 3189340 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-248-5145. Verify interchangeability with system specifications before substitution.
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.