Thermo King 66-257 Thermometer, Indicating, Capillary Tube and Bulb

Thermo King 66-257 is a reefer controllers & sensors in Refrigeration Units (Reefer), US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Thermo King 66-257 as the maker's own number under government stock item NSN 6685-00-590-1471. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 6685-00-590-1471, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Thermometer, Indicating, Capillary Tube and Bulb

Government stock item (NSN)

6685-00-590-1471

Manufacturer code (CAGE)

61510, THERMO KING CORPORATION DBA PHOENIX GLOBAL DISTIRBUTION., MINNEAPOLIS, MN, UNITED STATES

Case diameter

4.750 in (nominal)

Dial diameter

3.500 in (nominal)

Scale type

Concentric dial

Scale smallest increment

Deg fahrenheit: 1.0

Scale inscription/background color

Black marking on white background

Bulb tip length

2.500 in (nominal)

Bulb quantity

1

Bulb type

Plain rigid

Active portion length

2.500 in (nominal)

Active portion diameter

0.562 in (nominal)

Indicator connection method

Flexible tube

Flexible tube length

96.000 in (nominal)

Features provided

Zero adjustment

Scale measurement range

Deg fahrenheit: -20.000 to 100.000

Bulb overall length

2.500 in (nominal)

Pointer/PEN type and quantity

Indicating single 1

Material

• Bulb: copper
• Meter case: steel

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

Wiring, relays, the controller, sensors and displays of the unit. Alarm codes on the controller usually name the circuit. Check the unit model and software.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.