The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-072-5573, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Standard-Thomson Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-072-5573 |
| Primary Part Number | 5A844 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Standard-Thomson Corporation |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | PISTON, WEIGHTED TYPE |
| Two-Way Valve Action | REVERSE ACTING |
| Second End Relationship with First End | IDENTICAL |
| First End Style Designator | PLAIN |
| First End Flange Width | 2.680 INCHES NOMINAL IN |
| Temp Rating | 153.0 FAHRENHEIT MINIMUM AND 157.0 FAHRENHEIT MAXIMUM DEGF |
| First End Bolt Hole Diameter | 0.312 INCHES NOMINAL IN |
| First End Center to Center Distance Between Holes Along Width | 2.000 INCHES NOMINAL IN |
| First End Center to Center Distance Between Holes Along Length | 2.000 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Body Material | ALUMINUM ALLOY 356.0 |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Flange Shape Style | RECTANGULAR (INCLUDES SQUARE) W/ BOLT HOLES |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| First End Flange Length | 2.680 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5A844 PRIMARY | Standard-Thomson Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5A844-000 | 5/9 Secondary reference Standard-Thomson Corporation |
NSN 4820-00-072-5573 is a Valve,regulating,temperature, manufactured by Standard-Thomson Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-072-5573 has 1 manufacturer part number on file: 5A844 (Standard-Thomson Corporation).
Key specifications for 5A844: First End Bolt Hole Quantity: 4; Flow Control Device: PISTON, WEIGHTED TYPE; Two-Way Valve Action: REVERSE ACTING; Second End Relationship with First End: IDENTICAL. 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.
NSN 4820-00-072-5573 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.