The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-452-7180, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-452-7180 |
| Primary Part Number | 603057812-205220010 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | PISTON, FREE TYPE |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Flange Thickness | 0.562 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 3.750 INCHES NOMINAL IN |
| First End Style Designator | RAISED |
| Bulb Length | 20.500 INCHES NOMINAL IN |
| Bulb Diameter | 1.000 INCHES NOMINAL IN |
| Temp Rating | 120.0 FAHRENHEIT MINIMUM AND 220.0 FAHRENHEIT MAXIMUM DEGF |
| First End Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 2.625 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| End Connection Quantity | 2 |
| Mounting Facility | FLANGE |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| First End Connection Type | RAISED FACE FLANGE |
| Temp Adjustability | ADJUSTABLE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Thermostatic Element | VAPOR PRESSURE TYPE |
| First End Raised Face Height | 0.062 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | COPPER ALLOY BULB |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 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 |
|---|---|
| 603057812-205220010 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 603057812 AND 205220010 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 3/4LTCP-205220010 300 LB FLANGE | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 3/4" LTCP-20522 | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
| 3/4LTCP-2052200 | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-452-7180 is a Valve,regulating,temperature, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-452-7180 has 3 manufacturer part numbers on file: 603057812-205220010 (Leslie Controls, Inc. Dba Leslie Controls Inc), 603057812 AND 205220010 (Leslie Controls, Inc. Dba Leslie Controls Inc), 3/4LTCP-205220010 300 LB FLANGE (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 603057812-205220010: First End Bolt Hole Quantity: 4; Flow Control Device: PISTON, FREE TYPE; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 26 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.