6685-00-768-3645

Find complete technical information, availability, and procurement data for: 6685-00-768-3645
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6685 Humidity Measuring and Controlling Instruments, Temperature and Pressure

National Stock Number

6685-00-768-3645

Item Name Code

16516

Assigment Date

01/01/1960 (66 years ago)

1.978 inches nominal overall height, 2.485 inches minimum and 2.495 inches maximum largest outside diameter, to control engine coolant temp usage design, flange mounting method, choke flow control device

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Height: 1.978 inches nominal
Mounting Method: flange
Flow Control Device: choke
Largest Outside Diameter: 2.485 inches minimum and 2.495 inches maximum
Usage Design: to control engine coolant temp
Valve Travel Distance: 0.500 inches nominal
Thermostat Type: bellows
Opening Temp Rating: 158.0 fahrenheit nominal
Operating Temp Rating: 173.0 fahrenheit nominal
Spring Operated Pressure Relief: not provided
Fsc Application Data: engine instrument

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
216906R91	Flow Control Thermostat

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6685-00-768-3645?

The FSCG of the NSN 6685-00-768-3645 is 6685

Does NSN 6685-00-768-3645 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6685-00-768-3645 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-768-3645 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 6685-00-768-3645 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960