The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-569-2000, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-569-2000 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 COVER AND 1 SPRING AND 1 NUT AND 1 WASHER |
| Minimum Operating Temp | 32.0 FAHRENHEIT DEGF |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Specification/standard Data | 86184-MIL-F-254D GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 100AF-3/4 IN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-569-2000 is a Valve,diaphragm,stop, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-569-2000: Furnished Items and Quantity: 1 COVER AND 1 SPRING AND 1 NUT AND 1 WASHER; Minimum Operating Temp: 32.0 FAHRENHEIT DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 12 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.