The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-306-6824, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-306-6824 |
| Primary Part Number | 87-250-CS/F5S3VD1912ZZA1AD |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | DIAPHRAGM |
| Two-Way Valve Action | DIRECT ACTING |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 10.875 INCHES NOMINAL IN |
| First End Flange Thickness | 0.688 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 7.000 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Temp Rating | 35.0 FAHRENHEIT MINIMUM AND 90.0 FAHRENHEIT MAXIMUM DEGF |
| First End Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| First End Connection Type | PLAIN FACE FLANGE |
| Temp Adjustability | ADJUSTABLE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | STEEL BODY |
| 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 |
|---|---|
| 87-250-CS/F5S3VD1912ZZA1AD PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| Reference | Meaning |
|---|---|
| MARK-87 2-1/2IN 35T90DEG | 5/9 Secondary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4820-01-306-6824 is a Valve,regulating,temperature, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-306-6824 has 1 manufacturer part number on file: 87-250-CS/F5S3VD1912ZZA1AD (Richards Industries Valve Group Jordan Valve Div).
Key specifications for 87-250-CS/F5S3VD1912ZZA1AD: First End Bolt Hole Quantity: 4; Flow Control Device: DIAPHRAGM; Two-Way Valve Action: DIRECT ACTING; Second End Relationship with First End: IDENTICAL. 17 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.