The Thermal Actuator,valve, cataloged under National Stock Number 4820-01-019-2815, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-019-2815 |
| Primary Part Number | 527-D-10 |
| Item Name | Thermal Actuator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lawler Manufacturing Company, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF A THERMAL BULB,CAPILLARY TUBING AND BELLOWS,MATERIAL COPPER,BULB DIM.,12 IN. LG BY 1 IN. DIA,CAPILLARY TUBING LG 6 FEET,OPERATING TEMP RANGE 50 DEG F TO 90 DEG F IN |
| 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 |
|---|---|
| 527-D-10 PRIMARY | Lawler Manufacturing Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 527-D-F | D/9 Drawing number reference only Lawler Manufacturing Company, Inc. |
NSN 4820-01-019-2815 is a Thermal Actuator,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-019-2815 has 1 manufacturer part number on file: 527-D-10 (Lawler Manufacturing Company, Inc.).
Key specifications for 527-D-10: General Characteristics Item Description: CONSISTS OF A THERMAL BULB,CAPILLARY TUBING AND BELLOWS,MATERIAL COPPER,BULB DIM.,12 IN. LG BY 1 IN. DIA,CAPILLARY TUBING LG 6 FEET,OPERATING TEMP RANGE 50 DEG F TO 90 DEG F IN. 1 specification is 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.