6685-00-377-3497

Find complete technical information, availability, and procurement data for: 6685-00-377-3497
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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

6685-00-377-3497

Item Name Code

16516

Assigment Date

01/01/1961 (65 years ago)

cool oil usage design, 2.870 inches minimum and 2.878 inches maximum largest outside diameter, 3.125 inches nominal overall height, 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: 3.125 inches nominal
Mounting Method: flange
Flow Control Device: choke
Largest Outside Diameter: 2.870 inches minimum and 2.878 inches maximum
Usage Design: cool oil
Valve Travel Distance: 0.310 inches nominal
Thermostat Type: solid expansion
Opening Temp Rating: 173.0 fahrenheit nominal
Operating Temp Rating: 186.0 fahrenheit nominal
Spring Operated Pressure Relief: not provided
Fsc Application Data: heat exchanger assy,diesel engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6685-00-096-2678	No Name Available	01/02/1975
6680-00-347-3805	No Name Available	01/01/1963
6620-00-515-5191	No Name Available	01/01/1960
6680-00-526-9060	No Name Available	03/01/1988
6680-00-527-6540	No Name Available	01/01/1960

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
4A357-005	Flow Control Thermostat
5183139	Flow Control Thermostat
PC5172141	Flow Control Thermostat
VD10313	Flow Control Thermostat

FAQs

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

What is the FSCG of the NSN 6685-00-377-3497?

The FSCG of the NSN 6685-00-377-3497 is 6685

Does NSN 6685-00-377-3497 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 6685-00-377-3497 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-377-3497 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 6685-00-377-3497 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961