The Valve,safety Relief, cataloged under National Stock Number 4820-00-567-0052, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc Dba Honeywell Div Consumer Products Group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-567-0052 |
| Primary Part Number | FV181 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc Dba Honeywell Div Consumer Products Group |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | BEADED (HOSE) ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Operating Pressure | 265.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 2.500 INCHES FIRST END IN |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Material | STEEL OVERALL |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| FV181 PRIMARY | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| Reference | Meaning |
|---|---|
| D20E6A666AA | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| D7AZ6A666-B | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
NSN 4820-00-567-0052 is a Valve,safety Relief, manufactured by Honeywell International Inc Dba Honeywell Div Consumer Products Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-567-0052 has 1 manufacturer part number on file: FV181 (Honeywell International Inc Dba Honeywell Div Consumer Products Group).
Key specifications for FV181: Flow Control Device: POPPET; Connection Style: BEADED (HOSE) ALL ENDS; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Operating Pressure: 265.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 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.
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.