The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-233-8050, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-233-8050 |
| Primary Part Number | A50955 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | PLAIN |
| Temp Rating | -20.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 3 |
| Third End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED INTERNAL PIPE |
| Temp Adjustability | ADJUSTABLE |
| Third End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Third End Style Designator | PLAIN |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| Thread Size and Series/type Designator | 1/2-14 NPT THIRD END |
| 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 |
|---|---|
| A50955 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D50500 | D/9 Drawing number reference only Hunt Valve Company Inc Dba Union Flonetics |
| 764T 50T220 DEG F | 5/9 Secondary reference U.S. Government activity |
| 764T 50 TO 220 | 5/9 Secondary reference U.S. Government activity |
| A50955 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| 764T 50T220DEG | 5/9 Secondary reference U.S. Government activity |
| CB1-2-B07-00000000A | 3/2 Design control — primary reference U.S. Government activity |
| D50500 ITEM 1 50T220 DEG F | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 4820-01-233-8050 is a Valve,regulating,temperature, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-233-8050 has 1 manufacturer part number on file: A50955 (Hunt Valve Company, Inc.).
Key specifications for A50955: Flow Control Device: POPPET; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE. 16 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.