6685-00-821-6977

Find complete technical information, availability, and procurement data for: 6685-00-821-6977
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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

6685-00-821-6977

Item Name Code

16516

Assigment Date

01/01/1963 (63 years ago)

3.531 inches nominal largest outside diameter, to control engine coolant temp usage design, by-pass flow control device, flange mounting method, 2.828 inches nominal overall height

Product Characteristics

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

Overall Height: 2.828 inches nominal
Mounting Method: flange
Flow Control Device: by-pass
Largest Outside Diameter: 3.531 inches nominal
Usage Design: to control engine coolant temp
Valve Travel Distance: 0.475 inches nominal
Thermostat Type: bellows
Opening Temp Rating: 155.0 fahrenheit nominal
Operating Temp Rating: 187.0 fahrenheit nominal
Spring Operated Pressure Relief: not provided

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
1-1757C1	Flow Control Thermostat
11757C1	Flow Control Thermostat
I1757E1	Flow Control Thermostat

FAQs

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

What is the FSCG of the NSN 6685-00-821-6977?

The FSCG of the NSN 6685-00-821-6977 is 6685

Does NSN 6685-00-821-6977 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 6685-00-821-6977 contain precious materials?

Item does not contain precious metal.

Does NSN 6685-00-821-6977 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 6685-00-821-6977 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963