The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-424-6187, 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 14 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-424-6187 |
| Primary Part Number | 80-050-CS/I5T3F54911A1A10A0D |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| Flow Control Device | DISK, CIRCULAR |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 7.250 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 3.500 INCHES NOMINAL IN |
| First End Style Designator | RAISED |
| Temp Rating | 120.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Capillary Tube Length | 96.000 INCHES NOMINAL IN |
| First End Connection Type | RAISED FACE FLANGE |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| 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 |
|---|---|
| MK80-184980B 1/2IN 120T185DEG | W. & O. Supply, Inc. Div W&o Norfolk (USA) |
| MK80-184980B | Richards Industries Valve Group Jordan Valve Div (USA) |
| 80-050-CS/I5T3F54911A1A10A0D PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
NSN 4820-01-424-6187 is a Valve,regulating,temperature, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-424-6187 has 3 manufacturer part numbers on file: MK80-184980B 1/2IN 120T185DEG (W. & O. Supply, Inc. Div W&o Norfolk), MK80-184980B (Richards Industries Valve Group Jordan Valve Div), 80-050-CS/I5T3F54911A1A10A0D (Richards Industries Valve Group Jordan Valve Div).
Key specifications for 80-050-CS/I5T3F54911A1A10A0D: Flow Control Device: DISK, CIRCULAR; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Face to Face Distance: 7.250 INCHES NOMINAL IN. 14 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.